The next generation of wireless network is just around the corner. 5G service, which provides connection speeds up to ten times as fast as the speediest home broadband service, is expected to see a wide rollout in 2020. CNET senior producer Dan Patterson joined CBSN AM to talk more about the impact of this technology. Source

Government research published this week finds teens are vaping marijuana in record numbers. Carter Evans reports. Source

President Trump began his two-week trip to Florida on Friday night, after signing a $738 billion defense bill for next year. But Mr. Trump arrived in Florida under an ominous cloud courtesy of North Korean leader Kim Jong Un, who recently promised a “Christmas gift” to the U.S. in response to its refusal to lift sanctions on North Korea. U.S. intelligence officials tell CBS News a North Korean intercontinental ballistic missile test could occur soon most likely after the first of the year. Chip Reid reports. Source

A police hunt is underway for a second teenager wanted in connection with the deadly stabbing of a New York City college student. Barnard freshman Tessa Majors died after being stabbed Wednesday in a park. Police already arrested a 13-year-old who admitted he was part of a group robbing Majors and watched as his friend stabbed and choked her. Nikki Battiste reports. Source

“Sesame Street,” Sally Field, Earth, Wind & Fire, and conductor Michael Tilson Thomas were all celebrated for their lifetime contributions to the performing arts at the 42nd annual Kennedy Center Honors. The event was held earlier this month in Washington and aired on CBS last night. CBS News White House correspondent Paula Reid was on the red carpet, and joined CBSN from Washington with all the highlights. Source

A school resource officer is caught slamming a student to the ground twice in a disturbing video from a North Carolina middle school. He then yanks the student up before dragging him down the hallway. The officer has been placed on paid leave pending an investigation by the state. Source

The House of Representatives is expected to hold a full vote on impeachment Wednesday. It is likely to pass along party lines, which would set up a Senate trial in January. Senators are already bracing for a contentious trial. CBS News’ Laura Podesta joined CBSN AM with the latest. Source

The latest CBS News Battleground Tracker finds Democratic presidential candidate Joe Biden has a narrow edge in the Super Tuesday states, with Elizabeth Warren and Bernie Sanders close behind. Julia Manchester, a political reporter for The Hill, joined CBSN with the latest on the 2020 race. Source

Three people were stabbed outside The Dogwood bar in Nashville on Saturday morning. Source

Friday became the wettest day in Seattle in the past 10 years, and the most rain recorded for December 20 since record-keeping at Sea-Tac Airport began in 1945. Source