A woman lobbying Congress holds two versions of naloxone which can be used to reverse an opioid overdose. Al Drago/CQ-Roll Call Inc. hide caption
A fracking site is situated on the outskirts of town in the Permian Basin oil field in the town of Midland, Texas. Spencer Platt/Getty Images hide caption
Rep. Gwen Moore (shown in 2012) has introduced a bill that would mandate drug testing for wealthy Americans before they could claim itemized tax deductions over $150,000. She says the bill is intended not so much as a statement about the rich but about the poor. J. Scott Applewhite/AP hide caption
Court documents show the Internal Revenue Service's office in charge of vetting applications for tax-exempt status focused on conservative groups. Brendan Smialowski/AFP/Getty Images hide caption
Jimmy Stewart in Mr. Smith Goes to Washington. Herbert Dorfman/Corbis via Getty Images hide caption
Marine recruit Haley Evans stands in formation during boot camp at Marine Corps Recruit Depot Parris Island, S.C., in 2013. Scott Olson/Getty Images hide caption
The pills displayed above by the Cuyahoga County (Ohio) Medical Examiner's Office are fentanyl being sold illicitly as the drug Oxycodone. Fentanyl, a powerful opiate, is the same drug believed to have caused Prince's death. Lawmakers are debating ways to cut down on its use. AP/Cuyahoga Medical Examiner's Office hide caption
A mosquito control inspector sprinkles larvicide in a storm drain in Miami Gardens, Fla., in an effort to stop the spread of Zika virus. Joe Raedle/Getty Images hide caption
Democratic House candidate Tim Canova, a former adviser to Bernie Sanders, is challenging Democratic National Committee Chairwoman Debbie Wasserman Schultz. Wilfredo Lee/AP hide caption
Bernie Sanders Endorses The Man Trying To Unseat The Democratic Party Chair
U.S. Navy air wing captains pause on the flight deck of the aircraft carrier USS Theodore Roosevelt last September. Every day, the steam-powered catapult aboard this massive ship flings American fighter jets into the sky, on missions to target the extremist Islamic State group in Iraq and Syria. Marko Drobnjakovic/AP hide caption
U.S. Senate candidate, Rep. Donna Edwards, M-Md., visits with voters at Leisure World in Silver Spring, Md. Brian Witte/AP hide caption
FBI Executive Assistant Director for Science and Technology Amy Hess (from left) testifies on encryption Tuesday before a House panel, alongside the New York City Police Department's Thomas Galati and Indiana State Police Office Capt. Charles Cohen. Manuel Balce Ceneta/AP hide caption
Cuban President Raúl Castro (left), Commander of the Revolution Ramiro Valdés (center) and Cuban Vice President Miguel Díaz-Canel sit side by side at the Artemisa Mausoleum monument in July 2014. Adalberto Roque/AFP/Getty Images hide caption
Senate Intelligence Committee Vice Chairman Dianne Feinstein, D-Calif., and Chairman Richard Burr, R-N.C., have introduced encryption legislation. Alex Brandon/AP hide caption