FRANKLIN LAKES — The way Tom Murro tells it, a chance encounter with President Obama on a Martha's Vineyard golf course last summer had a transformative effect on him. Among Tom Murro's high-profile run-ins: President Obama, Natalie Portman, Dustin Hoffman and Kathie Lee Gifford. Suddenly, the Franklin Lakes father of two became the "Celebrity Magnet," known for an uncanny ability to attract, rub elbows and be photographed with some of the world's most famous people. Last April, Murro folded the mortgage company he had run for two decades and took to chronicling his exploits and conquests online at celebritymagnet.com. "Some...