Emily Bazelon, David Plotz and John Dickerson discuss how Ted Cruz's running mate announcement could impact the Republican race for the Presidential nomination. They also weigh in on Hillary Clinton's standing and the three offer some potential new tests for potential Presidential candidates of the future.  The Slate Political Gabfest is brought to you by Goldman Sachs. Get information about developments currently shaping markets, industries, and the global economy on the firm’s podcast—Exchanges at Goldman Sachs—available on iTunes. 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 Concur. Employees get simplified expense reports and business leaders get full visibility into their company’s spending habits. Expense. Travel. Invoice. Learn more at Concur.com/gabfest. And by Ring. With Ring Video Doorbell, you can see and speak to anyone at your door from anywhere in the world, using your smart phone. Political Gabfest listeners get FREE EXPEDITED FedEx shipping when you go to Ring.com/gabfest. With Ring Video Doorbell you’re always home! 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/gabfest Learn more about your ad choices. Visit megaphone.fm/adchoices