Mayor Bloomberg is sending every member of the U.S. Congress a DVD of a new reality show called "Gun Show: Undercover." The three-minute, 35-second DVD is produced by Bloomberg, who hopes to shame Congress into finally closing the "gun show loophole" that puts guns by the thousands in the hands of violent criminals. The DVD features hidden-camera footage of a city-funded undercover investigation into out-of-state gun shows where supposed collectors or "private... (GunPolicy.org)