There have been all sorts of responses to the massacre at Sandy Hook Elementary last Friday. American Federation of Teachers Randi Weingarten is pushing Big Labor to get behind gun control legislation. Others argue that it might be wise for every school to have several armed staff members. At least those are both logical suggestions to address an obvious problem. Now Parents Across America, a pro-union group, has checked into the discussion, urging President Obama to respond to the events by having less standardized testing. Huh? Are these people suggesting that state standardized tests somehow drive unstable students to...