Is there any practical difference between the two?
‘Haven’t watched Letterman since his first or second season on late night; have never seen Colbert except at the White House Correspondents Dinner when he was utterly tasteless attacking Pres. Bush (43). So why start watching now? Ain’t gonna happen.
They want the “hipster” audience anyway, not this old fogie.
The hipster audience stopped watching Letterman decades ago.