George Zimmerman's Sanford, Fla., neighbor, said the neighborhood watchman protected his residence from a potential burglary several weeks before the shooting of Trayvon Martin. Frank Taaffe, a former neighborhood watch captain, told CNN that his house was in the process of being robbed on Feb. 2, but Zimmerman called Sanford police, who thwarted the robbery. "My house was being robbed, and George on his nightly rounds watched this burglary in progress, called Sanford P.D., waited for them, and helped ensure that nothing bad happened to my house," Taaffe said. "And it's documented in the 911 call for February 2. That...