Sunday, August 11, 2019: Iowa, Iowa, Iowa

President Trump promises action on America's mass shooting epidemic - has Washington finally hit a tipping point, or will efforts fall short like they have in the past? Plus, tough new attacks on the president from the Democrats who want his job, as 2020 hopefuls descend on first-in-the-nation Iowa. And President Trump plays down the latest North Korean missile tests - siding with Kim Jong Un over America's allies and his own advisers. CNN's Phil Mattingly in the anchor chair. Today's Panel: Politico's Eliana Johnson, Sahil Kapur with Bloomberg News, Michael Bender of the Wall Street Journal, and Time's Molly Ball

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