After that confrontation, Biden stopped making the crime/cuts comparison. Today, The Hillreports that Biden wants to know how Mattera got to him in the first place, and his office "has also contacted the standing committee of correspondents, which oversees the gallery, regarding whether Mattera broke the rules by ambushing him."There's more at the link. The video of the Biden confrontation went viral and the Veep doesn't come out looking too good. It's also at the link.
By the way, the defense of Mattera above was written by another reporter, and that's gotta hurt Biden even more.