is the single biggest policy vulnerable from the obama era for the general election. and i think one of the critical questions in 2016 will be whether americans believe that we are making progress or losing ground against this very real threat. >> ron brownstein, thank you very much. >> thank you. and there's a lot more to come for president obama's executive action on guns. coming up at the top of the hour on cnn "state of the union." dana bash anchoring this morning. good morning. i know you have carly fiorina, bernie sanders. >> a big show and it's hard to believe we're finally in 2016, which means it is actually the presidential election year. 29 days until the iowa caucuses. so, of course, there's a lot to talk about with both of these candidates who are vying for the republican and democratic