DAY 484: Pennsylvania GOP Sen. race too close to call

<p>Former Pres. Trump’s influence on the GOP is being tested as the Pennsylvania GOP Senate primary remains too close to call. Meantime, we learn of the growing threat of violence tied to white supremacy after a racist rampage in Buffalo left 10 people dead. Plus, Pres. Biden invokes the Defense Production Act to boost baby formula manufacturing to ease shortage. And the U.S. Embassy in Kyiv reopens with a flag-raising. Philip Rucker, Dave Wasserman, Barbara McQuade, Jonathan Greenblatt, Lt. Gen. Ben Hodges, Jake Ward and Josh Brown join.</p>