The way actress Julianna Margulies tells her story, she’s probably lucky she didn’t wind up in an ER. The former “ER” star told “Late Show” host Stephen Colbert on Monday night that for a while she would wake up “screaming” from nightmares after Donald Trump won the presidency in 2016. Margulies recalled one dream in particular, according to the Washington Examiner. “I was in a boardroom, there was a long table, and it was just a guy who's in the Oval Office right now, sitting there and I walked in and I [was] screaming, screaming. ... I mean I was...