Republicans don’t control the U.S. Senate and they don’t have the presidency. Instead of wasting time and energy in doomed efforts to defeat President Obama’s Cabinet nominees or sucking up to illegal aliens, why not focus on issues where Republicans can be off-the-charts popular while forcing Democrats into taking stupid positions?After the slaughters at Virginia Tech, Aurora, Colo., Tucson, Ariz., and Newtown, Conn., every sentient person knows we need to do something about institutionalizing the mentally ill and — at the very least — keeping guns out of their hands.That happens to be impossible right now. Involuntary commitments even...