President Trump’s personal attorney Rudy Giuliani spoke to CBS News senior investigative correspondent Catherine Herridge about newly released documents from House Democrats that were collected from his now-indicted associate Lev Parnas. Giuliani said he doesn’t know about alleged surveillance of Marie Yovanovitch, the former U.S. ambassador to Ukraine. Herridge joins CBSN to discuss her conversation with Giuliani. Source

Tuesday night’s Democratic primary debate was the last before the Iowa caucuses. Politico campaign reporter Zach Montellaro joins CBSN’s “Red & Blue” with more on the biggest takeaways. Source

Former mayor Pete Buttigieg scored a key political endorsement weeks before the New Hampshire primary. Executive director of the New Hampshire Institute of Politics Neil Levesque joins CBSN’s “Red & Blue” to break down the state of the Democratic presidential race. Source

The American Civil Liberties Union (ACLU) on Wednesday filed the first legal challenge against the Trump administration’s controversial policy of sending migrants who seek protection at the U.S.-Mexico border to Guatemala. CBS News immigration reporter Camilo Montoya-Galvez joins CBSN’s Elaine Quijano to discuss why the ACLU and other groups are challenging the asylum agreement with Guatemala. Source

Six Democratic presidential candidates took the stage for the final time before the Iowa caucus last night. CBSN political reporter Caitlin Huey-Burns reports from Des Moines, and political contributors Leslie Sanchez, Antjuan Seawright and Molly Hooper join CBSN for analysis. Source

President Trump signed “Phase One” of a trade deal with Chinese officials today. Yahoo Finance anchor and reporter Akiko Fujita joins CBSN to explain how tariffs have affected the U.S. and whether or not this is the end of the trade war. Source

When House Speaker Pelosi named the impeachment managers, she emphasized that courtroom experience was a crucial factor in her decision. CBS News’ Natalie Brand joins CBSN to discuss the next steps for the Senate impeachment trial. Source

This farmer in the Philippines woke up to gray pineapples after the Taal volcano spewed ash and lava into the sky earlier this week. “We just have to accept that we will incur a loss,” he said. Source

President Trump spoke ahead of the signing of “Phase One” of the U.S.-China trade deal. While he was expected to talk about the trade deal, he spent 30 minutes thanking bankers and supporters as Chinese officials stood by. Watch the president’s remarks. Source

Elizabeth Warren and Bernie Sanders have been at odds over a meeting they had in 2018 about the 2020 election and taking on Trump. Source