"At almost every turn, he was grudging toward Mrs. Clinton, passing up a chance to issue the kind of lengthy salute that many, in and out of the Democratic Party, had expected and craved.
"'It’s a blown opportunity to build bridges that are going to be extremely important in the fall,' said David Gergen, an adviser to four presidents, both Democratic and Republican. He worried that Mr. Sanders was becoming 'a grumpy old man.'"This guy is so unready for prime time.
Update: This portrait of the man is devastating -- and very depressing. He's effectively a Trump ally.
Update 2: More grist on the hypocrite of Vermont. And this was before he got creamed last night.