Breaking News! Elon musk has back out of his deal to buy Twitter! Also, Mark is joined by JEFF IDELSON, former president of the Baseball Hall of Fame in Cooperstown. He has now created a nonprofit organization called "Grassroots Baseball" with JEAN FRUTH.  The two drove an RV across the entire distance of Route 66 -- capturing the Americana of baseball.  It resulted in a new book "Grassroots Baseball: Route 66."  Tomorrow is Grassroots Baseball Day at Busch Stadium. Also your audio cut of the day.