HTTP/2 200 content-type: text/html; charset=UTF-8 link: /cbsnews1.cbsistatic.com>; rel="preconnect dns-prefetch", /cbsnews2.cbsistatic.com>; rel="preconnect dns-prefetch", /cbsnews3.cbsistatic.com>; rel="preconnect dns-prefetch", /cbsnews4.cbsistatic.com>; rel="preconnect dns-prefetch", ; rel="preload"; as="font"; crossorigin, ; rel="preload"; as="font"; crossorigin, ; rel="stylesheet preload"; as="style", ; rel="preload"; as="font", ; rel="preload"; as="font", ; rel="preload"; as="font", ; rel="preload"; as="script" core-api-cache-key: b9382e3c-9782-44b1-82b4-a873bb0e7b30 cache-control: public, max-age=1 date: Wed, 22 May 2019 19:20:09 GMT set-cookie: fly_device=desktop; expires=Wed, 29-May-2019 19:20:09 GMT; path=/; domain=.cbsnews.com set-cookie: fly_geo={"countryCode": "ca"}; expires=Wed, 29-May-2019 19:20:09 GMT; path=/; domain=.cbsnews.com John Hickenlooper releases plan to reduce gun violence - CBS News Watch CBSN Live [1] Democratic presidential candidate and former Colorado Gov. John Hickenlooper released a set of proposals Wednesday to curb gun violence, including a call for national gun licenses and raising the legal age to own a firearm. Here are some of the initiatives he's proposing, some of which are based on legislation he signed into law as governor:Universal background checks: Hickenlooper is calling for national background checks for all gun sales, pointing out that one in five gun purchases do not undergo checks because of existing loopholes. He wants to close loopholes and extend the current three-day waiting period to 10 days in order to close what's known as the "Charleston loophole," which enabled Dylann Roof to purchase guns he used to kill nine parishioners[2] in a black church in 2015.National gun licenses: Gun owners would be required to obtain a national gun license that would also require a background check. The license would need to be renewed online every five years.Raise minimum age to own a gun to 21: Currently, individuals in the U.S. who are at least 18 years of age may own a gun. Licensed firearms sellers may sell handguns to people who are not under 21 years old. But unlicensed people may sell or transfer handguns to people who are 18 years of age.Encourage extreme risk protection orders: Would

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