President's guest spot puts Leno above Letterman and Kimmel
"Curb Your Enthusiasm" honcho reveals the secret to a thoroughly miserable relationship
The recently-axed sitcom star uses his former bosses' own airwaves to skewer them
"You can do anything you want in life ... Unless Jay Leno wants to do it too"
After strong debut, TBS show falls below Leno, Letterman
Leno had the highest ratings and most viewers but also saw the biggest declines compared to last year
Peacock rakes in $1.8B in primetime ads, $1.1B in cable