The Ticker: Biden, Showbiz, Levi’s…

By Chris Ariens 

> ABC’s World News with Charles Gibson continues its Who Is? profiles of the Presidential candidates. Tonight: Sen. Joe Biden.

> HLN’s Showbiz Tonight takes a look at the year’s most controversial celebrities tonight. Gee, I wonder who’ll make that list. So many choices, so little time.

> CNBC zips up for a one-hour documentary on Levi’s. How a utility fabric for miners turned into a $14 billion industry. The Carl Quintanilla doc premieres Tuesday at 10pmET.