Inside Trump's impromptu White House press conference

President Trump surprised reporters Wednesday when he showed up at his chief of staff's office and held an impromptu press conference. He told a group of reporters he is "looking forward" to being interviewed by Special Counsel Robert Mueller under oath, and said "Dreamers" should be granted a path to citizenship. CBS News' chief White House correspondent Major Garrett was there, and has details of the unexpected encounter.

(Source: CBS News,