Beyond his career as a country music superstar, Tim McGraw has yet another focus. He, along with his wife, Faith Hill, are committed to using their wealth and fame to help people in need. For his part, McGraw serves on the board of the Red Cross as a celebrity representative. He also holds a concert each year in Louisiana to help raise money for those in need. And when Hurricane Katrina hit the southern United States in August 2005, McGraw headlined...