Juan González: GOP to Puerto Rico–”Drop Dead”; GOP Debate: Trump Defends Muslim Ban, Other Candidates Debate How to Restrict Rights & Go to Wa; Democracy Is Being Dismantled Before Our Eyes: Bob Herbert on Sheldon Adelson-Backed GOP Debate; Ben Carson: I am OK with Killing “Thousands of Innocent Children and Civilians”; Trump Calls for Closing Parts of Internet as Cruz & Rubio Debate NSA Powers; Stephen Zunes: No Candidates Are Looking at Root Cause of ISIL, “This Monster We Created.”