World News Roundup: 12/30

<p>Britain approves the Oxford-AstraZeneca coronavirus vaccine.&nbsp;Colorado reports first US case of&nbsp;the U.K.'s more contagious coronavirus strain.&nbsp;The Nashville Bomber's Girlfriend Warned Police he was building bombs--last year.&nbsp;Correspondent Deborah Rodriguez has the CBS World News Roundup for Wednesday, December 30, 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>