By Kyle Balluck
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 GrahamGraham: GOP has 'lost its way' on Trump Troops question rules for ISIS medal The beginning of the end for Ted Cruz MORE (R-S.C.), Susan CollinsSusan CollinsLarry Wilmore, Sting party in DC ahead of WHCD GOP women push Trump on VP pick Sanders is most popular senator, according to constituent poll MORE (R-Maine), Saxby ChamblissSaxby ChamblissWyden hammers CIA chief over Senate spying Cruz is a liability Inside Paul Ryan’s brain trust MORE (R-Ga.), Bob CorkerBob CorkerHousing groups argue Freddie Mac's loss should spur finance reform Iran and heavy water: Five things to know Trump seeks approval from foreign policy experts, but hits snags MORE (R-Tenn.), Kelly AyotteKelly AyotteThe Hill's 12:30 Report Hassan gets personal in first Senate ad GOP women push Trump on VP pick MORE (R-N.H.) and Deb FischerDeb FischerSenate panel clears 'Internet of Things' bill Democrats block energy spending bill over Iran amendment GOP lawmakers vie for convention power 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 McDonoughOvernight Cybersecurity: Obama to review encryption bill White House denies reports it won't support encryption bill Encryption bill sent back to White House for Obama review 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 ReidMellman: Give positive a chance Koch network super-PAC launches ad buys in Wisconsin, Nevada Trump: 'I'd have to think about' Cruz for Supreme Court 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.