McCain strolls into Dem caucus meeting

Sen. John McCainJohn McCainIs Georgia turning blue? High anxiety for GOP Trump: 'Very disappointed' GOP senator dropped support MORE — a Democrat?

There was confusion Wednesday after the Arizona Republican mistakenly strolled into President Obama’s meeting with Senate Democrats at the Capitol.

The room full of Democrats — who happened to be meeting in the same room where the Senate GOP usually holds their weekly policy luncheons — erupted in applause and laughter as the former Republican presidential candidate made his entrance.

As McCain, 76, walked out of the Dem-filled space, reporters pressed him as to why he stepped foot in the room.

Saying he “had to give a speech,” McCain was eyed walking away sporting a big grin.

Obama scheduled Wednesday powwows with House and Senate Democrats just ahead of Congress’ five-week recess.

McCain has emerged as a dealmaker in talks with Democrats, and has had numerous dustups this year with the Tea Party wing of the GOP. At one point he memorably described Sen. Rand PaulRand PaulWhat the 'Bernie Sanders wing of the GOP' can teach Congress GOP senators avoid Trump questions on rigged election How low is the bar for presidential candidates, anyway? MORE (R-Ky.), Sen. Ted CruzTed CruzIs Georgia turning blue? Five takeaways from money race Club for Growth: Anti-Trump spending proved to be 'good call' MORE (R-Texas) and Rep. Justin AmashJustin AmashLawmakers press Lynch for briefing on Yahoo secret email scanning reports House Freedom Caucus member slows floor business House votes to block Gitmo transfers MORE (R-Mich.) as “wacko birds.”

The senator on Wednesday joked it would a "difficult choice" for him if Paul and Democrat Hillary ClintonHillary Rodham ClintonMiley Cyrus knocks on doors for Clinton Clinton displays at Trump event raise eyebrows Kaine: Clinton 'looks damn presidential' MORE were to face off for the presidency in 2016.

— Carlo Munoz contributed.

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