World News Roundup: 11/09

<p>Pfizer announces success for its COVID vaccine.&nbsp;Joe Biden names his COVID task force.&nbsp;Remembering Alex Trebek.&nbsp;CBS News Correspondent Vicki Barker has today's World News Roundup.</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>