SPECIAL | Does the US need a Golden Dome air defense system?

In May, President Donald Trump shared his vision for protecting the US from the threat of nuclear strikes by drones, and ballistic, cruise and hypersonic missiles. The idea? A Golden Dome which would cover the country with three layers of air defenses. Following the launch of missiles in Iran, the idea of having a robust defense system here at home is getting more attention. Tom Karako, Senior Fellow at the Center for Strategic & International Studies, joins USA TODAY’s The Excerpt to share his insight on missile defense and nuclear deterrence.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.