Face the Nation on the Radio 4/28

One person is dead and three others are injured after another shooting at a house of worship. .Former Vice President Joe Biden has officially entered the race for the White House -- and President Trump is already throwing jabs. We'll have an analysis of these stories and more on this week's "Face the Nation."Learn more about your ad choices. Visit megaphone.fm/adchoices See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.