At best. Donald Trump sounded pessimistic about his chances of getting border-wall funding in upcoming budget negotiations in Congress, but perhaps not pessimistic enough. In his interview with the Wall Street Journal, Trump cites the conference negotiators appointed as the reason for low odds of success, but the real issue is the same one as at the start — Nancy Pelosi: President Trump said Sunday he doesn’t believe congressional negotiators will strike a deal over border-wall funding that he could accept and vowed that he would build a wall anyway, using emergency powers if need be.Mr. Trump, in an...