A concert outside of Moscow was interrupted by gunshot and a fire. Though ISIS claimed responsibility within hours, Putin isn’t letting this crisis go to waste. Guest: Shane Harris, senior national security writer for the Washington Post. Want more What Next? Subscribe to Slate Plus to access ad-free listening to the whole What Next family and across all your favorite Slate podcasts. Subscribe today on Apple Podcasts by clicking “Try Free” at the top of our show page. Sign up now at slate.com/whatnextplus to get access wherever you listen. Learn more about your ad choices. Visit megaphone.fm/adchoices Note: Captions are auto-generated by YouTube. Subscribe to Slate: https://www.youtube.com/slate Learn more: https://slate.com/podcasts/what-next Follow Slate on Social: Host Mary Harris on Twitter: https://twitter.com/marysdesk Slate on Twitter - https://twitter.com/Slate Slate Podcasts on Twitter - https://twitter.com/SlatePodcasts Slate on Facebook: https://www.facebook.com/Slate Slate on Instagram: https://www.instagram.com/slate/