Former "Tonight Show" host Jay Leno will headline the 24th Annual Comedy Night to benefit Forgotten Harvest on May 7 at the Fox Theatre in Detroit.Tickets to the May 7 Comedy Night go on sale at 10 a.m. Friday, Feb. 12. Tickets range from $25 to $150 and can be purchased by at the Fox Theatre Box Office, Joe Louis Arena Box Office, Hockeytown Authentics in Troy (without service charge), Ticketmaster outlets, by phone 800-745-3000 or online at