President Joe Biden expressed regret over losing his temper when the CNN White House correspondent Kaitlan Collins pressed him on his meeting with Russian President Vladimir Putin in Geneva, writes INSIDER.

“I owe my last questioner an apology”, - Biden told reporters on the tarmac before boarding Air Force One for his flight back to Washington, DC. “I shouldn"t have been such a wise guy. To be a good reporter you have got to be negative, you have got to have a negative view on life, OK, it seems to me. You never ask a positive question. I apologize for having been short”, - Biden added.

Biden’s apology came shortly after he grew testy with Collins at the end of a news conference following his meeting with Putin.

“Why are you so confident he will change his behavior, Mr. President?” - Collins shouted at Biden as he was leaving the briefing.

Biden turned back to answer Collins, raising his finger: “I’m not confident he’ll change his behavior - what the hell, what do you do all the time? When did I say I was confident?”

“Let’s get it straight”, - a visibly upset Biden continued. “I said what will change their behavior is if the rest of the world reacts to them and diminishes their standing in the world. I’m not confident of anything. I’m just stating a fact”.