. >> sam stein has a question for you, rick. >> two questions.s on the cover of "time" magazine? >> sam, i don't know. >> obamacare. >> i'm sure it's good, though. >> i'm sure. secondly switching topics. secretary kerry took a little heat and causing a little controversy for saying a week or so ago that saying climate change was the biggest complexity facing the globe in a couple of decades ahead. can you elaborate on what he meant and whether or not you think this is a big deal? >> i do think it's a big deal. i know he feels passionately about it as does the president. we are talking about environmental diplomacy here. this is an issue that affects every single person on the planet and i think he wants to marshal the leadership of the u.s., the integrity of the u.s. to get nations to start thinking about it and, of course, the u.s. has to think about it too. it's no small thing to him and no small thing to all of us. >> how will that affect keystone? >> look. keystone, i mean, there was a ruling about the legitimacy of how the state department p