The man knows no shame ... he politicizes everything, even an 'effing' comedy show. He just can't help himself from attacking Republicans and delivering a stump speech -- in this case it's on student loans.

Here's Obama last night on Jimmy Fallon's show (hat tip - Charlie Spiering):

As I wrote back on April 20th of this month, clearly ... Barack Obama is not what I'd call a nice guy. The man has become a caricature of himself.