Emily Bazelon, John Dickerson, and David Plotz discuss the rapid fall of Gov. Scott Walker, the quick rise of Carly Fiorina, and the crossover appeal of Pope Francis.The Slate Political Gabfest is brought to you by Blue Apron. Blue Apron sends gourmet recipes, and all the fresh ingredients you need to make them, right to your door. Farm-fresh ingredients are perfectly portioned—and come with an easy to follow recipe card—so you can create a delicious meal in 35 minutes or less. Visit BlueApron.com/gabfest to get your first two meals free.And by Stamps.com. Buy and print official U.S. postage using your own computer and printer, and save up to 80 percent compared to a postage meter. Sign up for a no-risk trial and a $110 bonus offer when you visit Stamps.com and use the promo code GABFEST.Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at www.slate.com/gabfestplus.Twitter: @SlateGabfestFacebook: facebook.com/gabfestEmail: gabfest@slate.comShow notes at slate.com/gabfest Learn more about your ad choices. Visit megaphone.fm/adchoices