A retired, disabled U.S. Marine in full dress and donned with numerous medals was flagged by federal security agents at a California airport for wearing “too much metal,” and pulled to the side for additional scrutiny — even asked to lift his arms, despite an injury that made doing so impossible. “What does a uniform and heroism represent if our own citizens — in this case, employees of the TSA and security personnel — have not regard for them?” said Patricia Martin, the former Marine’s travel partner, Fox News reported. Cpl. Nathan Kemnitz was injured in 2004 from a bomb...