Secretary of Transportation Pete Buttigieg said Friday on MSNBC’s “Deadline” that Fox News Channel’s Tucker Carlson’s criticism showed he did not understand “the concept of bottle-feeding.” Thursday night on his show, Carlson said, “Pete Buttigieg has been on leave from his job since August after adopting a child – paternity leave, they call it – trying to figure out how to breastfeed. No word on how that went.” Anchor Nicolle Wallace said, “I would say to Tucker Carlson, don’t knock it ’til you try it. What are these attacks about?” Buttigieg said, “Well, look, in his case, I guess he...