More artists have canceled scheduled performances at the Kennedy Center following the addition of President Donald Trump’s name to the facility.

Before Saturday’s apparent attempted assassination of former President Donald Trump, there have been multiple instances of political violence targeting U.S. presidents, former presidents and major party presidential candidates.

Wall Street tycoon, Hollywood mogul, notorious womanizer, ambassador, advisor to presidents -- and head of one of America's most prominent political families. We gain new insight into Joseph P. Kennedy.