CNN US

In June of 2017, the National Rifle Association posted a video online featuring the conservative commentator Dana Loesch. Speaking directly to the camera, Loesch, who had joined the group as a national spokeswoman months earlier, issued a breathless call to arms.

Sanjay Gupta explains what happens to your brain on opiates, the key ingredient in heroin and other powerful narcotics.

They're not slumped over in alleyways. They haven't lost everything. They are the heroin addicts living next door and fooling their families.

Ivanka Trump sat down with NBC to discuss allegations against her father and the Russia investigation.

The nation is reeling after a shooting at Marjory Stoneman Douglas High School that killed 17 people in Parkland, Florida. But if there is a feeling that something is about to change on gun control in the rest of the country, it's not yet palpable on Capitol Hill.