Gingrich says Trump impeachment "inconceivable": "He will not be convicted"

Former House Speaker Newt Gingrich oversaw Republican efforts to impeach President Bill Clinton in 1998. He ran for president in 2012 and is also the author of 36 books, including 15 New York Times bestsellers. Gingrich joins “CBS This Morning” to discuss the House impeachment inquiry into President Trump, and his new book, “Trump vs. China: Facing America's Greatest Threat.”