Sunday, January 17: A nation on edge as inauguration week approaches

A tale of two presidencies: an impeached president faces a Senate trial and an incoming president faces historic headwinds.

Plus, 25,000 National Guard troops guard the nation's capital as law enforcement agencies warn of potential inauguration week attacks.

And with the raging pandemic and an economy teetering on the edge, President-elect Biden has a plan to revamp the vaccine rollout and get more money to struggling Americans.

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