The Obama administration bluntly urged the Congress Thursday to steer clear of directing where terrorism suspects should be prosecuted, pushing back against efforts to require military rather than civilian trials. A bipartisan group of senators has offered legislation aimed at forcing the administration to prosecute terrorism suspects, like the self-professed mastermind of the September 11, 2001 attacks, Khalid Sheikh Mohammed, in special military commission trials instead of traditional criminal courts. Attorney General Eric Holder ordered Mohammed and four alleged co-conspirators to be tried in a criminal court in Manhattan. But concerns by some lawmakers about security costs and granting full...