Why this trial was different: civil rights icon Rev Jesse Jackson shares his reaction to the George Floyd verdict. Biden reveals his bold climate pledge, but can he make it happen? Plus the enduring legacy of Walter Mondale.

Destination Moon: NASA's giant leap for womankind and the mission to land humans on Mars. What's behind Biden's flip-flop on refugees? While Facebook remains anti-Trump, what to do about America's anti-vaxxers?