Donni Saphire has starred and recently hearted over 610,000 tweets on Twitter and read far more in his hunt for delicious tweet truffles. Twuffles, if you will. He noses through every tweet so you don't have to. 

Tough moderators! Bernie's moral appeals! Hillary's pragmatic moderate positions! Martin O'Malley called Donald Trump a racist carnival barker (again)! These are the top tweets of the second Democratic Debate!