President Trump amps up his attacks on Former Vice President and 2020 Democratic front-runner Joe Biden.  Is this a sign the president is worried? FOX's Chief Political Anchor and host of Special of Report Bret Baier weighs in and gives us a preview of the upcoming FOX News Town Hall with Julian Castro.

Supporters of ISIS have reportedly been using the secure app Telegram to spread their messages. Research Fellow at George Washington University's Program on Extremism Bennett Clifford discusses the new report, and if apps have an obligation to crack down on communications of terror groups.

Plus, commentary by Countdown to the Closing Bell host, Liz Claman.