Emily Bazelon, John Dickerson, and David Plotz discuss the fourth Republican debate in Las Vegas (did America win it?), the court-martial of Army Sgt. Bowe Bergdahl, and what can and should be learned from the big news events of 2015.   The Slate Political Gabfest is brought to you by Stamps.com. Buy and print official U.S. postage using your own computer and printer, and save up to 80% compared to a postage meter. Sign up for Stamps.com and get a 4-week trial and a $110 bonus offer when you use the promo code GABFEST. And by Harry's, the shaving company that offers German-engineered blades, well-designed handles, and shipping right to your door. Visit Harrys.com for $5 off your first purchase with the promo code GABFEST. And by ZipRecruiter. With ZipRecruiter, you can post your job to over 100 job sites with a single click and an interface that's easy to use. And right now, you can try it for free! Go to ZipRecruiter.com/gabfest. That’s ZipRecruiter.com/gabfest. Slate Plus members: Get your ad-free podcast feed. Become a fan of the Political Gabfest on Facebook. We post to the Facebook page throughout the week, so keep the conversation going by joining us there. Or follow us@SlateGabfest (#heygabfest)! The email address for the Political Gabfest isgabfest@slate.com.   Learn more about your ad choices. Visit megaphone.fm/adchoices