ORLANDO, Fla. - Republican presidential hopeful Mitt Romney touted his conservative credentials at a gun show Friday, where he met with a GOP-friendly crowd in an effort to garner support for his 2008 campaign. "I support the right of individuals to keep and bear arms as guaranteed under the U.S. Constitution," said Romney, former governor of Massachusetts. Romney, who has launched a presidential exploratory committee, appeared at the Shooting, Hunting and Outdoor Trade Show with his wife, Ann, and Wayne LaPierre, executive vice president of the National Rifle Association. Romney spent about an hour walking among the booths and greeting...