The weapon he was carrying, an AK-74 assault rifle, measures three feet long, with a barrel of about 16 inches, and is capable of firing several dozen rounds per minute. Brian McCauley says he never meant to scare anyone. The state of Texas disagrees, and his upcoming trial has become a focal point in a dangerous new battle in the national debate over gun laws. By the time McCauley walked into a San Antonio Starbucks in August, tensions had been building for years. The... (GunPolicy.org)