Negro Leagues

Former Presidents Bill Clinton, George W. Bush and Barack Obama are among those who are tipping their caps in honor of the 100th anniversary of the Negro Leagues.

Barack Obama tipped his cap. So did three other former presidents and a host of prominent civil rights leaders, entertainers and sports greats in a virtual salute to the 100-year anniversary of the founding of baseball’s Negro Leagues. The campaign launched Monday with photos and videos from, among others, Hank Aaron, Rachel Robinson Derek Jeter, Colin Powell, Michael Jordan,...