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. TheSlate Political Gabfest is brought to you by Goldman Sachs. Getinformation about developments currently shaping markets, industries,and the global economy on the firm’s podcast—Exchanges at GoldmanSachs—available on iTunes.Andby Harry's, the shaving company that offers German-engineered blades,well-designed handles, and shipping right to your door. VisitHarrys.com for $5 off your first purchase with the promo codeGABFEST.Andby Concur. Employees get simplified expense reports and businessleaders get full visibility into their company’s spending habits.Expense. Travel. Invoice. Learn more at Concur.com/gabfest.Andby Ring. With Ring Video Doorbell, you can see and speak to anyone atyour door from anywhere in the world, using your smart phone.Political Gabfest listeners get FREE EXPEDITED FedEx shipping whenyou 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:@SlateGabfestFacebook:facebook.com/GabfestEmail:gabfest@slate.comShow notes atslate.com/gabfestLearn more about your ad choices. Visit megaphone.fm/adchoices