A Triumphant Comeback: On the HBO Show's Sublime Second Season

"Well, reality TV has had quite the evolution," Valerie Cherish tells us during the first episode of The Comeback in more than nine years. "It's a different reality. And I should know, because I was there at the beginning with The Comeback. Back then, it was just me and people eating bugs on Survivor. 'Uh, what's…