Romney sworn in as senator

Mitt RomneyWillard (Mitt) Mitt RomneyA US-UK free trade agreement can hold the Kremlin to account Ex-CIA chief worries campaigns falling short on cybersecurity Overnight Defense: US, Russia tensions grow over nuclear arms | Highlights from Esper's Asia trip | Trump strikes neutral tone on Hong Kong protests | General orders ethics review of special forces MORE was sworn into the Senate on Thursday, marking his formal re-entrance to Washington politics. 

Romney was sworn in by Vice President Pence to fill the seat held by outgoing Sen. Orrin HatchOrrin Grant HatchTrump to award racing legend Roger Penske with Presidential Medal of Freedom Trump awards Presidential Medal of Freedom to economist, former Reagan adviser Arthur Laffer Second ex-Senate staffer charged in aiding doxxing of GOP senators MORE (R-Utah). He was accompanied on the floor by Hatch and Sen. Mike LeeMichael (Mike) Shumway LeeMcConnell, allies lean into Twitter, media 'war' Conservatives buck Trump over worries of 'socialist' drug pricing Criminal justice reform should extend to student financial aid MORE (R-Utah). 

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The former presidential candidate was spotted hobnobbing on the Senate floor before his swear in, shaking hands with Sen. Tom CottonThomas (Tom) Bryant CottonCongress must address gender gap in nominations to military service academies GOP senators press Google on reports it developed a smart speaker with Huawei Sunday shows - Mass shootings grab the spotlight MORE (R-Ark.) and Sen. Christopher CoonsChristopher (Chris) Andrew CoonsThe United States broken patent system is getting worse Biden faces scrutiny for his age from other Democrats Democrats press FBI for details on Kavanaugh investigation MORE (D-Del.), backslapping retiring Sen. Bob CorkerRobert (Bob) Phillips CorkerTrump announces, endorses ambassador to Japan's Tennessee Senate bid Meet the key Senate player in GOP fight over Saudi Arabia Trump says he's 'very happy' some GOP senators have 'gone on to greener pastures' MORE (R-Tenn.) and chatting with Sen. Kirsten GillibrandKirsten Elizabeth GillibrandSteve King to Gillibrand: Odds of me resigning same as yours of winning presidential nomination The Hill's Morning Report — Recession fears climb and markets dive — now what? King incites furor with abortion, rape and incest remarks MORE (D-N.Y.). 

Romney’s swearing-in comes days after he published an op-ed critical of President TrumpDonald John TrumpTrump watching 'very closely' as Portland braces for dueling protests WaPo calls Trump admin 'another threat' to endangered species Are Democrats turning Trump-like? MORE, who he argued hasn’t “risen to the mantle” of the presidency. 

The op-ed earned him pushback from President Trump, members of his own family and some of his Republican colleagues.

It’s a U-turn for Romney, who had routinely brushed off questions from reporters as he shuffled around the U.S. Capitol attending freshman orientation and largely kept his public focus off Trump following his comfortable election win. 

Reporters tried to approach him as he headed into the Senate chamber but were brushed off by a handler.  

Romney is one of nine new senators sworn, eight of whom were sworn in on Thursday. Sen.-elect Rick Scott (R-Fla.) is expected to be sworn in later this month. 

Sens. Marsha BlackburnMarsha BlackburnTaylor Swift defends staying out of the 2016 election: 'I just knew I wasn't going to help' The 23 Republicans who opposed Trump-backed budget deal Senate passes sweeping budget deal, sending it to Trump MORE (R-Tenn.), Mike BraunMichael BraunOvernight Energy: Trump EPA looks to change air pollution permit process | GOP senators propose easing Obama water rule | Green group sues EPA over lead dust rules The 23 Republicans who opposed Trump-backed budget deal Pair of GOP senators propose easing Obama water rule MORE (R-Ind.), Kevin CramerKevin John CramerEPA proposes rolling back states' authority over pipeline projects GOP senator held up Trump aide's confirmation to get info on border wall contracts Overnight Defense: Esper sworn in as Pentagon chief | Confirmed in 90-8 vote | Takes helm as Trump juggles foreign policy challenges | Senators meet with woman accusing defense nominee of sexual assault MORE (R-N.D.), Josh HawleyJoshua (Josh) David HawleyGovernment regulation of social media would kill the internet — and free speech Juan Williams: We need a backlash against Big Tech Twitter unlocks McConnell's campaign account after GOP boycott MORE (R-Mo.), Jacky RosenJacklyn (Jacky) Sheryl RosenHillicon Valley: Trump seeks review of Pentagon cloud-computing contract | FTC weighs updating kids' internet privacy rules | Schumer calls for FaceApp probe | Report says states need more money to secure elections Senators introduce legislation to boost cyber defense training in high school Key endorsements: A who's who in early states MORE (D-Nev.), Kyrsten Sinema (D-Ariz.) and Martha McSallyMartha Elizabeth McSallyAir Force probe finds no corroboration of sexual assault allegations against Trump pick Ex-FBI official names right-wing extremism one of the biggest security challenges for 2020 GOP senator eyes closing loophole to make domestic terrorism a federal crime MORE (R-Ariz.) were also sworn in. 

McSally lost her Senate bid against Sinema last year but was appointed to fill the seat that was formerly held by the late Sen. John McCainJohn Sidney McCainThe Hill's Morning Report — Recession fears climb and markets dive — now what? Trump makes rare trip to Clinton state, hoping to win back New Hampshire Graham promises ObamaCare repeal if Trump, Republicans win in 2020 MORE (R-Ariz.). 

Her ascension, as well as Rosen and Sinema, will make Nevada and Arizona two of only a handful of states to be represented by two female senators.