It hurts the Garcia brothers that a group of undocumented immigrant farm workers in their native Oxnard area are scorned and taken advantage of, and it angers them that this country’s new leader wouldn’t care if he knew about it. Robert Garcia trains his younger brother Mikey, a two-division world champion who Jan. 28 will challenge Dejan Zlaticanin of Montenegro for his lightweight world title at MGM Grand in Las Vegas .