Emily Bazelon, David Plotz, and John Dickerson discuss Obama's Iran nuclear deal, Scott Walker's presidential candidacy, and a pro-life group's undercover Planned Parenthood video. Slate's Political Gabfest is sponsored by Volvo. Experience the Wonder of Summer. Have a month’s payment on Volvo and spend your summer doing the things that matter to you. Plus get up to five years full coverage, including wear and tear. Go to volvocars.com/us. 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. 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: @SlateGabfest Facebook: facebook.com/Gabfest Email: gabfest@slate.com Show notes at slate.com/gabfestLearn more about your ad choices. Visit megaphone.fm/adchoices