World News Roundup: 02/20

<p>President Biden makes an unannounced visit to Ukraine.&nbsp;Paying tribute to President Carter.&nbsp;North Korean missile tests.&nbsp;CBS News Correspondent Deborah Rodriguez 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>