Mass Shootings Under Obama Surge to 246.7% of His Predecessor Bush Emmanuel January 8, 2017 Guns, Politics But..gun control works! HA! Everyone is so quick to talk about Obama's (not proven) accomplishments. Seems like that's all libs can occupy themselves with. Perhaps it's their way to cope with FAILURE for the last 8 years. This report measures the number of Public Mass Shootings under Presidents George H.W. Bush, Bill Clinton, George W. Bush and Barack Obama. Here you go. Proof Gun control is a bunch of BS.