Floor fights. Outraged outbursts. Shouting matches. Congress' "toxic" culture after January 6 attack

Floor fights, outraged outbursts and shouting matches on the steps of the U.S. Capitol have become a new normal in Congress. 

As lawmakers face an increase in violent threats from voters, they're also turning the vitriol on one another. 

"Congress is a very toxic place to work," Republican Congressman Adam Kinzinger told CBS News.