Weekend Roundup

House Democrats officially deliver the articles of impeachment against President Trump to the Senate, setting up a trial to begin next Tuesday. The field of 2020 Democratic hopefuls take to the stage for a debate just a few weeks ahead of the Iowa caucuses. The latest on investigations into Boeing's 737 Max aircraft. Plus -- is the James Bond franchise planning a significant change? CBS News Correspondent Allison Keyes will have these stories and more on the CBS News Weekend Roundup.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.