By Brendan Sasso - 10/16/13 10:25 PM EDT
Any senator can block the nominations on the Senate floor — they can only be confirmed with unanimous support.
Sen. Ted CruzTed CruzDem lawmakers rally Muslims against Trump Anti-Clinton super-PAC looks to inflame intraparty tension with Sanders backers The Hill's 12:30 Report MORE (R-Texas) has indicated he might block Wheeler's nomination unless he promised not to require more disclosure about the groups paying for political advertisements. Cruz's office did not respond to a request to comment Wednesday evening.
Wheeler is an investor and former lobbyist for the cellphone and cable industries. O'Rielly is a longtime congressional aide who currently works for Sen. John CornynJohn CornynGOP senators to donors: Stick with us regardless of Trump Hopes dim for mental health deal Overnight Finance: Senate punts on Zika funding | House panel clears final spending bill | Biz groups press Treasury on tax rules | Obama trade rep confident Pacific deal passes this year MORE (R-Texas), and McSweeny is currently an attorney in the Justice Department's Antitrust Division.
—Updated at 6:51 p.m.