Why does the NFL have a 2-minute warning?

USA TODAY - For more and to sign up click here Addy Bink (NEXSTAR) — If you’ve seen plenty of commercials, or are just waiting for Kendrick Lamar's halftime show, the multiple interruptions to the Super Bowl may be slightly annoying. None, however, may be more confusing than the twice-a-game two-minute warning. All NFL games have two-minute warnings, the automatic timeouts that occur when the game clock hits the…