Tennessee lawmakers engaged in a heated exchange with witnesses during a hearing on a total abortion ban for the state. CBS News reporter Kate Smith joins CBSN to discuss what she witnessed during the hearing. Source

Pete Buttigieg continued campaigning at the Iowa State Fair Tuesday, after more than 20 other 2020 candidates made their pitches to voters over the weekend. CBS News 2020 campaign reporter Adam Brewster joins CBSN’s “Red & Blue” to discuss the latest on what voters are saying in the first caucus state. Source

Senator Bernie Sanders is attacking the Washington Post on the campaign trail, saying the paper is harsh on him because of his criticism of its owner, Amazon CEO Jeff Bezos. The rhetoric mimics some of President Trump’s attacks on media outlets. Washington Post reporter Sean Sullivan and CBSN political reporter Caitlin Huey-Burns joins CBSN’s “Red & Blue” to discuss that and the day’s other political news. Source

Tennessee state lawmakers wrapped up the second day of hearings on a controversial amendment that would ban abortions after a woman knows she is pregnant. The measure is expected to pass the Republican-controlled legislature. CBS News reporter Kate Smith is in Nashville, and joins CBSN’s “Red & Blue” for an update on Tuesday’s testimonies. Source

CBS is buying Viacom in a deal executives hope will help them save money and compete with larger rivals like Disney and Netflix. Source

Vanessa Grigoriadis, host of New York magazine’s “Tabloid” podcast, joins CBSN’s “Red & Blue” to discuss Ivanka Trump’s rise to political power after years of being a tabloid fixture. Source

Authorities have been trying to piece together a motive and other factors that led to the mass shooting Source

Dole Fresh Vegetables is recalling baby spinach sold in 10 states after a random sample tested positive for salmonella. Consumers with the spinach being recalled were urged not to consume the product, but to discard it, according to a company notice posted by the U.S. Food and Drug Administration. Anyone with questions can call 1-800-356-3111. Source

CBS News campaign reporter Nicole Sganga reports on the differences between the campaigns of Senators Bernie Sanders and Elizabeth Warren in the early primary state of New Hampshire. Source

New video released Tuesday shows the Dayton, Ohio, shooter lurking in a back alley of the entertainment district wearing a hoodie that covered his body armor. He killed nine people August 4, including his younger sister. Source