In the absence of fundamental change, especially among Democratic leaders, I can't say I have a lot of hope these days. That's in spite of all the polling showing that Donald Trump is the most unpopular president ever. He was unpopular the first time. That he's unpopular the second time should not be surprising. What is surprising is he was elected again despite being unpopular. More surprising is we keep believing unpopularity will doom him.Don…