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The National Rifle Association's executive vice president and CEO Wayne LaPierre will take the stage at the Conservative Political Action Conference amid America's most energized gun debate in years.

House Republicans will hold a hearing next week on a series of bipartisan bills to address patient safety and enforcement efforts for opioids, marking the latest push for legislation to combat the opioid crisis.

Researchers have identified another gene that could influence the risk of opioid dependence, a new study shows, adding to the evidence that genetic factors play a crucial role in determining who develops addiction.

President Donald Trump defended the National Rifle Association on Thursday, saying he believes the organization wants to "do the right thing" in wake of the school shooting in Parkland, Florida, that killed 17 people.

The Slovenian parents of first lady Melania Trump are legal permanent residents of the United States, according to the lawyer representing them in the process -- raising questions about whether they are living in the US by the very means President Donald Trump has strongly criticized and sought to end.

Rep. Claudia Tenney, an upstate New York Republican who is up for re-election in one of the most competitive congressional districts in America, told a radio host in Albany that Democrats are more prone to be mass shooters.

At a CNN Town Hall, Sen. Marco Rubio (R-FL) said he would support legislation to prevent an 18-year-old from buying a rifle and reconsidered his position on magazine clip sizes.

The gun debate is heating up, again, in the wake of the slayings of 17 people one week ago at a school in Parkland, Florida.

Arizona US Senate hopeful Kelli Ward is here to show conservatives that she's not crazy -- and to convince them that it's still worth spending money in GOP primaries.