Lawrence O’Donnell had a laugh after he was singled out by former President Donald Trump while attending Tuesday’s hush money hearing in Lower Manhattan. “Trump posted this right after my show tonight,” O’Donnell wrote in a tweet. “Must’ve been something I said.” Trump took a swipe at the MSNBC anchor’s appearance in court. “I spotted Ratings Challenged Lawrence O’Donnell, of MSDNC, in the Courthouse today,” reads Trump’s post on TruthSocial. “I haven’t seen him in years. He looked like s—, a real loser.” Oddly, it wasn’t O’Donnell’s first time seated in the court gallery. Last week, he was …