Walter Mondale, the former Democratic senator from Minnesota and vice president under Jimmy Carter has died. He was 93 years old. CNN's Wolf Blitzer reports.

President Joe Biden and first lady Jill Biden pay their respects to fallen US Capitol Police Officer Brian Sicknick, who suffered strokes and died of natural causes one day after responding to the January 6 insurrection at the US Capitol, Washington DC's chief medical examiner has determined.

CNN's John Avlon takes a look at how right-wing media parroted former President Trump's soft stance towards Russian President Vladimir Putin and asks whether these deflections will continue as President Biden adopts a more stern rhetoric towards Russia.

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According to one estimate, the process of mining bitcoins and keeping the network running uses more energy than Belgium in a year. CNN's Clare Sebastian reports on the network's vast energy usage.

Chuck Hagel, former Republican senator and defense secretary under former President Barack Obama, talks to CNN's Jim Acosta about former President Donald's Trump's scrutiny of President Joe Biden's timeline for withdrawing US troops from Afghanistan.