World News Roundup: 12/29

<p>Will the Republican controlled Senate vote to increase stimulus checks to $2,000 dollars or defy President Trump? Hospitals in crisis as coronavirus and deaths surge.&nbsp;Investigators seeking motive in the Christmas Day bombing in Nashville. Correspondent Deborah Rodriguez has the CBS World News Roundup for Tuesday, December 29, 2020:</p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>