First things first on Tuesday’s balmy, post-Memorial Day Eight Forty-Eight:

WBEZ reporter Alex Keefe shares the news stories WBEZ is following this week.

After that, Chicago blues guitarist Buddy Guy discusses his new autobiography, When I Left Home.

And WBEZ history blogger John Schmidt returns to talk about the unlikely story of a Chicago company’s bowling ball that travelled the world in 1914 as a publicity stunt and quiz us on other Chicago stunts: Call 312.923.9239 to play.