His party reforms could help the Democrats defeat Donald Trump.
The Democratic primary could be worse: It could be 2008 all over again.
He's poised to mainstream the most lurid anti-Clinton conspiracy theories you can (or can't) imagine.
With Donald Trump the presumptive Republican nominee, Sanders will be pressured to drop out. He should resist.
Ted Cruz won big in Wisconsin, but the staying power of Trump's base is the real story of the night.