The first Democratic debates of the 2020 presidential election begin Wednesday night in Miami. Democratic strategist Joel Payne joins CBSN to discuss what to expect. Source

Border Patrol on Tuesday returned 100 migrant children to an overcrowded facility in Clint, Texas, which lawyers have recently denounced for its “inhumane” conditions. The facility has come under scrutiny after independent monitors reported learning of unsanitary, crowded living conditions. CBS News politics reporter Camilo Montoya-Galvez joins CBSN’s “Red & Blue” with the latest. Source

“I have a lot of questions. Number one, how dare you?” Source

Days after migrant children were found living in filthy conditions at a Customs and Border Protection facility, the acting CBP chief announced his resignation. The current acting head of Immigration and Customs Enforcement, Mark Morgan, will be taking over. He spoke with Jeff Pegues. Source

There were new insults and threats in the escalating dispute between the U.S. and Iran. The president warned Iran to back off after it shot down an American drone last week. Chip Reid reports. Source

In his first American TV interview, Instagram head Adam Mosseri told Gayle King the social media platform is working hard to prevent foreign interference in the upcoming presidential election. Mosseri had been an executive at Facebook, which owns Instagram. Source

Democratic candidates are gearing up for their first 2020 presidential debate. Many of them are showing support for the LGBTQ community. Earl Fowlkes, chairman of the LGBTQ caucus for the Democratic National Committee, joins CBSN to discuss the progress for gays and lesbians 50 years after the riots at Stonewall Inn in New York City. Source

“I have a lot of questions. Number one, how dare you?” Source

Democratic voters in this Republican state know they have one shot to influence the election: the primary Source

Staff Sgt. David Bellavia is the first living soldier to receive the Medal of Honor for his actions in Iraq Source