Because afterall, banning assault rifles stopped terrorist attacks in France! Obama tries to calm fears about ISIS attacks, calls for gun control measures. 

Because banning assault rifles stopped terrorist attacks in France. In the wake of the deadliest terrorist attack in the U.S. since 2001, President Obama tried to reassure Americans on Sunday night that he has the right plan to defeat the Islamic State, and urged the

Source: Obama tries to calm fears about ISIS attacks, calls for gun control measures