President George W. Bush – September 2, 2005:

 “Brownie, you’re doing a heckuva job.”
 
 [Video]
 
President Barack Obama – March 18, 2009:
 
“Nobody’s working harder than this guy. You know, he is making all the right moves in terms of playing a bad hand. I have complete confidence in Tim Geithner and my entire economic team.”
 
 
President Barack Obama – tonight on Leno:
 
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