This is a widespread problem, having an impact on a diverse set of communities all across the country.

The international community has made it harder than ever for terrorists to acquire nuclear weapons.

David has served our Nation as PCLOB Chairman during an especially momentous period.

I have determined that it is necessary to continue the national emergency declared in Executive Order 13694.

He called for a worldwide effort to secure all vulnerable nuclear materials in four years.

Refusing to fund or even consider proven strategies to fight heroin abuse is wrong.

There is no question that David Medine is as talented and dedicated a public servant as they come.

We believe that it's been necessary to prioritize this at the leader level because, frankly, you get a lot more done when you have the attention of national leaders.

We're able to enhance the security measures that are in place so that countries are handling that material more responsibly.

Addressing this epidemic is a priority for my Administration.

Under David's leadership, the PCLOB's thoughtful analysis and considered input has consistently informed my decisionmaking and that of my team.

We will continue to seek additional tangible results in nuclear material reductions and better overall nuclear and radiological security practices.