The juxtaposition of two American military men who could stand in the same courtroom in the coming months couldn't be set in more stark relief. Sgt. Bowe Bergdahl faces a general court-martial for walking off of his base in eastern Afghanistan in 2009. Bergdahl spent five years in Taliban captivity, where he was tormented, before being freed in a controversial prisoner exchange last year. Jimmy Hatch, a Navy SEAL senior chief who led a platoon into a fierce battle to try to rescue Bergdahl, was shot and badly wounded on that mission. Beside him, service dog Remco lay mortally wounded,...