Lawmakers on the House Armed Services Committee argued yesterday over whether there was a leak of classified information relating to Russia's development of a satellite that could detonate a nuclear weapon in space. The debate followed a proposal by Rep. Seth Moulton (D-MA) to require the defense secretary and nuclear security administrator to outline how intelligence sources or options to counter such a weapon were compromised “due to the classified information leak regarding Russia’s development of such a system.” Moulton’s...