Rep. Ocasio-Cortez confronts DHS Secretary after discovery of racist, sexist CBP Facebook group. Sarah Kleiner of Center of Public Integrity on what you need to know about presidential candidate Tom Steyer. Hundreds greet Rep. Omar on her return to Minnesota from DC. CNN announces the lineup for the second Democratic presidential primary debate. ESPN host Dan Le Batard called out network for cowardice in handling race issues isn't on the air today.