Washington Post: For more than half a century, Catholic politicians in the United States have regularly been put in awkward positions on the question of how closely they would -- or should -- follow the dictates of the Vatican.
Until recently, Democrats usually were the ones to feel the most heat. But now it is the turn of Republicans, thanks to Pope Francis, the charismatic and activist pontiff who is set to visit the United States in September.
The popes 192-page call to action Thursday, which blames the...