President Barack ObamaBarack ObamaTrump plays golf for third weekend in a row Former Defense chief: Trump's handling of national security 'dysfunctional' Priebus, Wallace clash over media coverage of Trump MORE officially tapped his second in command, Vice President Joe BidenJoe BidenTop union offers backing for Ellison in DNC race John Kerry to teach at Yale on global issues Ellison needles Perez for 'unverifiable' claim of DNC support MORE, to oversee the implementation of the $787 economic stimulus package on Monday.

Obama told the nation's governors Monday morning that he has asked Biden to "keep things on track."