He was the top dog investigating the Obama administration for two years, but now that Darrell Issa is no longer in charge of investigating Benghazi, he's feeling left out. The California Republican, formerly the chairman of the House Oversight Committee, walked into a closed-door hearing of the Select Committee on Benghazi on Tuesday like he owned the place. But Issa found himself unwelcome at the private session, a deposition of former Hillary Clinton adviser Sidney Blumenthal. Unlike members of the public who get a Capitol Police escort when they interrupt hearings, Select Committee Chairman Trey Gowdy, R-S.C., personally saw Issa out of from the hearing room. NBC News' Frank Thorpe caught their brief, huffy exchange in the hallway:

That's Issa in the tan suit, stalking past the camera with a soda can (perhaps from the House Press Gallery) in hand. Gowdy appears to offer some placating words, and throws up his hands in frustration when Issa storms off.

"Sorry about that," Gowdy said, re-entering the hearing room.

Gowdy's committee, formed in May 2014, is charged with investigating the September 11, 2012, attack by Islamic militants on a U.S. installation in the northeast Libya city. Four Americans, including Ambassador to Libya Christopher Stevens, were killed.

The Select Committee's investigation into the attack is the eighth conducted by Congress, several of which Issa led as Oversight chairman. No criminal wrongdoing has been found.

