Charlie Pierce: It's Time for the 2016 Primary to End.

[Dennis Donovan]

5. He hasn't counted out Biden, but is underscoring the need to ultimately coalesce...

...behind the ultimate nominee, even if it's Sanders:

For weeks now, Democrats opposed to Sanders, as well as the nervous-in-the-service Never Trump Republicans, have been acting as though Warren’s primary function in the field was to take out Sanders as their suicide bomber. That was as stupid as it was insulting. But, as of Saturday night, she doesn’t have a choice any more. Her path is still there, but it’s narrowing and Sanders is the fight in front of her now. Otherwise, it’s Sanders, Biden, and Bloomberg’s bottomless wallet.