Castro criticizes Trump’s comments on Rep. Elijah Cummings

President Trump attacked U.S. Rep. Elijah Cummings, the House Oversight Committee Chairman, calling his district “the worst in the USA.” Cummings has opened several investigations into the president, and is a frequent critic of his border policies. CBS News’ Musadiq Bidar spoke to 2020 candidate Julián Castro about the president’s comments, as well as immigration and his debate strategy. Source