Need a reason to ride Metro? Tonight you can catch a bus or subway to Hollywood and surface to find Ladytron about to rock your socks off. Global Inheritance, a multi-faceted non-for-profit (also involved in this weekend's Swerve Fest) is back with their second in a series of Public Displays of Affection. Last October's inaugural PDA event fully vindicated the subways-are-fun philosophy lifestyle -- with DJ's, dancing, and a live set from Secret Machines.......