"This evening, the president dropped by the dinner that the Vice President hosted for republican senators," the White House said in a statement.
Biden and his wife, Dr. Jill Biden, were scheduled to host the senators for dinner as part of the White House's effort to win support for military action in Syria.
The president spent approximately an hour and 20 minutes with Biden and the senators.
The White House said Sens. Lindsey GrahamLindsey Olin GrahamPennsylvania Republican becomes latest COVID-19 breakthrough case in Congress McCain: Ivanka Trump, Jared Kushner had 'no goddamn business' attending father's funeral Mayorkas tests positive for COVID-19 breakthrough case MORE (R-S.C.), Susan CollinsSusan Margaret CollinsThe Hill's Morning Report - Presented by Uber - Biden makes his pitch as tax questions mount Emanuel defends handling of Chicago police shooting amid opposition to nomination Emanuel to take hot seat in Senate confirmation hearing MORE (R-Maine), Saxby ChamblissClarence (Saxby) Saxby ChamblissEffective and profitable climate solutions are within the nation's farms and forests Live coverage: Georgia Senate runoffs Trump, Biden face new head-to-head contest in Georgia MORE (R-Ga.), Bob CorkerRobert (Bob) Phillips CorkerCheney set to be face of anti-Trump GOP How leaving Afghanistan cancels our post-9/11 use of force The unflappable Liz Cheney: Why Trump Republicans have struggled to crush her MORE (R-Tenn.), Kelly AyotteKelly Ann AyottePoll: New Hampshire Senate race tight Biden likely to tap Robert Califf to return as FDA head Poll: Potential Sununu-Hassan matchup in N.H. a dead heat MORE (R-N.H.) and Deb FischerDebra (Deb) Strobel FischerSenate Republicans raise concerns about TSA cyber directives for rail, aviation Austin, Milley to testify on Afghanistan withdrawal After messy Afghanistan withdrawal, questions remain MORE (R-Neb.) attended the dinner.
The Hill's latest whip list counts nine Senate Republicans as "yes/leaning yes" while 14 GOP senators are listed as "no/leaning no."
Ayotte, Chambliss, Corker and Graham are listed as "yes/leaning yes." Collins and Fischer are among 23 Senate Republicans listed as "undecided."
Earlier Sunday, White House Chief of Staff Denis McDonoughDenis Richard McDonoughOvernight Defense & National Security — Presented by Raytheon Technologies — House lawmakers eye military pay raise next year VA secretary pledges to house hundreds of homeless veterans in LA by end of year Expats plead with US to deliver COVID-19 vaccines MORE said lawmakers would vote to authorize military strikes, despite mounting congressional opposition.
McDonough brushed aside the rising number of voices in Congress against military action, saying it was still “too early” to reach conclusions.
“This resolution is going to pass after we work this,” McDonough said on ABC’s “This Week.”
Obama will also conduct interviews with six television networks ahead of a primetime speech on Syria Tuesday night in an effort to win over lawmakers and the public.
Senate Majority Leader Harry ReidHarry Mason ReidHarry Reid calls on Democrats to plow forward on immigration Democrats brace for tough election year in Nevada The Memo: Biden's horizon is clouded by doubt MORE (D-Nev.) filed the use-of-force resolution on the Senate floor Friday, setting up a Wednesday vote to end debate and move to final passage. The critical cloture vote will happen on the 12-year anniversary of the 9/11 attacks on New York and the Pentagon and the one-year anniversary of the Benghazi attack.
Another Democratic aide said the vote could happen sooner if Republicans waive certain procedural requirements.
--This report was updated at 9:45 p.m.