Warren shows how Trump's poor choice of defense secretary threatens U.S. military readiness

So much attention has been devoted to the personal shortcomings of Donald Trump's pick for secretary of defense, Pete Hegseth, that there hasn't been room to look at his opinions on key issues for the military, including the role of women. Senator Elizabeth Warren, member of the Senate Armed Services Committee, talks with Alex Wagner about why Hegseth's views could threaten U.S. military recruitment goals.