President Trump is warning Syria and its allies Russia and Iran not to kill innocent civilians in Syria’s Idlib Province. Meanwhile in Iran, officials shut down internet service to try to stop anti-government protests. Behnam Ben Taleblu, a research fellow at the Foundation for Defense of Democracies, joins CBSN with the latest on Iran. Source

A federal court in North Carolina announced that next week, a judge will formally block a state law requiring photo identification to vote. Source

Former Vice President Joe Biden and Mayor Pete Buttigieg are competing for support from voters 65 and older in Iowa, despite their nearly 40-year age difference. CBS News campaign reporter Bo Erickson joined CBSN to explain how both candidates are seeking to win over this key group. Source

Matthew Stafford and his wife, Kelly, paid a visit to two young fans who recently lost their father. They surprised the brothers with Christmas gifts at their home. Source

Christina Koch passes Peggy Whitson’s 288-day mark on Saturday to set a new record for longest single space flight by a female astronaut. Source

Sharing your work history or college major can help — or limit access to money for low- and middle-income people Source

Companies hiring California freelancers must be able to prove the contractors really are working for themselves. Source

Progress seen as mortgage rates fall and some incomes rise, but home prices expected to jump another 2.2% next year. Source

It became operational Friday, Russia’s defense minister reported to President Vladimir Putin, bolstering the country’s nuclear strike capability. Source

Wage growth for the lowest-paid workers is now outpacing that of the country’s top-earning professionals Source