In a highly-anticipated press conference Wednesday morning to address gun violence in the United States, President Barack Obama called for the Center for Disease Control and Prevention (CDC) to renew scientific inquiry into the relationship between "video games, media images, and violence," and urged Congress to support a bill that would grant the organization $10 million to conduct this new research.

"We don't benefit from ignorance. We don't benefit from not knowing the science of this epidemic of violence."...