The Week Ahead: Several party nominations on the line Tuesday night

The Senate-House conference committee ironing out differences in the competing versions of Wall Street reform legislation has a busy week, with three scheduled meetings. Some of the toughest issues remain.

Several party nominations will be decided Tuesday night after runoffs in South Carolina, North Carolina and Utah.

Work will also continue in the Senate on the tax extenders bill. In the House, there is expected to be a vote on campaign finance legislation.

Monday, June 21

-- President Barack ObamaBarack Hussein ObamaBill Maher, Isiah Thomas score over the NFL's playing of 'Black national anthem' Democrats confront 'Rubik's cube on steroids' White House debates vaccines for air travel MORE hosts a Father’s Day event at the White House. He’ll discuss the importance of responsible fatherhood and mentoring to build healthy families and communities, according to a statement on the event.

-- Vice President Joe BidenJoe BidenHouse clears bill to provide veterans with cost-of-living adjustment On The Money — Dems dare GOP to vote for shutdown, default To reduce poverty, stop burdening the poor: What Joe Manchin gets wrong about the child tax credit MORE will be in Midland, Mich., to discuss the Recovery Act. He’ll visit a manufacturing plant with Gov. Jennifer Granholm (D) and Sens. Carl LevinCarl Milton LevinOvernight Defense: First group of Afghan evacuees arrives in Virginia | Biden signs Capitol security funding bill, reimbursing Guard | Pentagon raises health protection level weeks after lowering it Biden pays tribute to late Sen. Levin: 'Embodied the best of who we are' Former Colorado Gov. Richard Lamm dead at 85 MORE (D-Mich.) and Debbie StabenowDeborah (Debbie) Ann StabenowSanders says spending plan should be .5T 'at the very least' Senators call on Taiwan for aid in automotive chip shortage Photos of the Week: Infrastructure vote, India floods and a bear MORE (D-Mich.).

Tuesday, June 22

-- The Senate Foreign Relations Committee holds a 9:30 a.m. hearing on “Iran Policy in the Aftermath of U.N. Sanctions.”

-- The Senate-House conference committee on Wall Street reform meets at 11 a.m. It will meet Wednesday and Thursday at the same time.

-- Several runoff elections will conclude Tuesday night. In South Carolina, Nikki Haley will learn if she’ll be the Republican gubernatorial nominee. She won the June 8 primary by 22 points, but did not cross the 50 percent threshold needed to win the nomination outright. Haley came into the national spotlight after a conservative blogger claimed he had an affair with her — a charge she denied. She’s kept the support of several prominent conservatives, including former Govs. Sarah Palin (R-Alaska) and Mitt Romney (R-Mass.).

Also, Rep. Bob Inglis (R-S.C.) has a runoff for his seat. If he loses, he’ll be the fourth House member ousted in a primary this cycle.

-- In North Carolina, Democrats will decide their Senate nominee. Former state Sen. Cal Cunningham and Secretary of State Elaine Marshall are fighting for the chance to face Sen. Richard BurrRichard Mauze BurrEmboldened Trump takes aim at GOP foes NC Republican primary key test of Trump's sway The 19 GOP senators who voted for the T infrastructure bill MORE (R-N.C.) in November. The latest polling showed Burr with a comfortable lead over either challenger.

-- In Utah, Republicans will decide who will replace Sen. Bob Bennett as their party’s nominee. Bennett lost at the state GOP convention and later endorsed Tim Bridgewater over Mike LeeMichael (Mike) Shumway LeeGraham found Trump election fraud arguments suitable for 'third grade': Woodward book Economy adds just 235K jobs in August as delta hammers growth Lawmakers flooded with calls for help on Afghanistan exit MORE. The winner of the nomination is expected to fill the seat in the conservative state.

Also in Utah, Rep. Jim MathesonJames (Jim) David MathesonMcAdams concedes to Owens in competitive Utah district Trump EPA eases standards for coal ash disposal Utah redistricting reform measure likely to qualify for ballot MORE (D) has a runoff, but he’s been spending big to hold off his challenger, political neophyte Claudia Wright.

-- Obama holds an LGBT Pride Month event at the White House.

Wednesday, June 23

-- The president hosts a bipartisan group of senators for talks on energy and climate legislation.

-- A House Science and Technology subpanel explores the issue of "Deepwater Drilling Technology, Research and Development” at 10 a.m.; the House Education and Labor Committee meets at the same time on worker health and safety on offshore oil rigs.

-- A Senate Appropriations subpanel holds a hearing at 10 a.m. on the reorganization of the Interior Department’s Minerals Management Service, the agency that oversees offshore drilling.

-- The Senate Rules and Administration Committee meets at 10 a.m. for a hearing on silent filibusters, holds and the Senate confirmation process.

-- First lady Michelle ObamaMichelle LeVaughn Robinson ObamaWe must mount an all-country response to help our Afghan allies Obamas, Bushes and Clintons joining new effort to help Afghan refugees Bidens, former presidents mark 9/11 anniversary MORE continues her outreach to government agencies with a visit to the Department of Justice, where she’ll be joined by Attorney General Eric HolderEric Himpton HolderChristie, Pompeo named co-chairs of GOP redistricting group Democrats look to state courts as redistricting battle heats up On The Trail: Census kicks off a wild redistricting cycle MORE.

-- Director Oliver Stone speaks at a noon press conference on his latest film, "South of the Border," about Latin American political leaders.

Thursday, June 24

-- The Senate Health, Education, Labor and Pensions Committee holds a 10 a.m. hearing on federal investment in for-profit education.

-- The Health subcommittee of the House Veterans' Affairs Committee looks at the issue of “Overcoming Rural Health Care Barriers: Use of Innovative Wireless Health Technology Solutions" at 10 a.m.

-- The Senate Commerce Committee has a 10 a.m. hearing on Universal Service; a subcommittee meets at 2:30 p.m. on pipeline safety.

-- The first lady visits D.C.'s Duke Ellington School.

-- The Hill hosts a "Tribute to the Troops” breakfast policy briefing with Chairman of the Joint Chiefs of Staff Adm. Mike Mullen.

-- Obama hosts the Russian president, Dmitry Medvedev, at the White House.

Friday, June 25

-- Obama travels to Ontario, Canada, for the G-8 summit.

-- The Center for American Progress sponsors a forum called “Health Insurance Oversight in the Post-Reform World” from noon to 1:30 p.m., focusing on the creation of health exchanges and rate increase reviews.