Jerry Seinfeld Nbc

According to Seinfeld, "All the great comedians you see are deadly serious about what they do. They're not joking when they're working. Sacha Baron Cohen is one of the most serious people about his craft of anybody I've met."

Update: NBC has denied Pagesix.com's report: NBC and Jerry Seinfeld shot down a New York Post report Friday that the comic was in talks with the netwo...