A new study found that increasingly more Americans are getting colon cancer before they turn 50. Some doctors think it could be linked to obesity and eating habits. CBS News chief medical correspondent Dr. Jon LaPook joins CBSN to discuss the new trend. Source

Democratic senator and 2020 presidential candidate Amy Klobuchar clinched a key endorsement from Debora Pignatelli, the highest-ranking Democratic lawmaker in the Granite State. CBS News campaign reporter Nicole Sganga joins CBSN to discuss Klobuchar’s campaign strategy in the key primary state. Source

2020 contender and Congresswoman Tulsi Gabbard joined CBSN’s “Red & Blue” to discuss her recent trip to Puerto Rico. She called on Gov. Ricardo Rosselló to resign, saying it was “the right thing.” Gabbard urged fellow candidates to visit the island. Source

CBS News chief Washington correspondent Major Garrett spoke with Vice President Pence for “The Takeout” podcast, parts of which aired Sunday on “Face the Nation.” Watch the full interview. Source

Protesters block off highway in Puerto Rico; Firefighter sees American flag in color. Source

Darrell Johnson says the R&B singer facing new sex crime charges is “a mess right now. He’s scared, he’s isolated” Source

Congress is gearing up for two high-stakes showdowns this week. CBS News Chief Congressional Correspondent Nancy Cordes, New York Times opinion columnist and CBS News political analyst Jamelle Bouie, and Washington Bureau Chief of the Intercept Ryan Grim joined “Red and Blue” to discuss. Source

Hoping to get into your fridge, the coffee chain is introducing its first line of non-dairy creamers Source

The latest CBS News Battleground Tracker poll results divide the presidential hopefuls into three tiers. Former Vice President Joe Biden maintains his lead, but other top-tier candidates are gaining on him. CBS News political correspondent Ed O’Keefe breaks down the results. Source

“I step down as crisis manager for personal reasons,” Darrell Johnson told CBS News hours after his appearance Monday on “CBS This Morning” Source