Barack ObamaBarack ObamaObama promotes bipartisan cures bill Confirm Scott Palk for the Western District of Oklahoma Dean drifts behind in DNC race MORE made clear that speculation that Hillary ClintonHillary Rodham ClintonDemocrats miss warning signs, even in blue Maryland Robert Gates doesn't expect job in Trump administration Dean drops out of DNC chairmanship race MORE may soon join him as a vice presidential nomiee is moving a little too fast.

"She needs to catch her breath. I need to catch mine," Obama told Brian Williams on the NBC Nightly News.

"I think all our supporters need to just sit back and let things sink in. We're gonna go through a process in the vice presidential search where I look at a whole range of options. This is one of the most important decisions I can make and I think will signal how I wanna operate my presidency."