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Sens. Edward Markey, D-Mass., left, and Richard Blumenthal, D-Ct., display a photo of a plastic gun Tuesday, as they call for President Trump to reverse an administration decision to allow a Texas company to make blueprints for a 3D-printed gun available online. Trump announced over Twitter that he is "looking into" the sale of 3D plastic guns to the public.
Officials at the U.S. Government Publishing Office, headquartered in Washington, D.C., showed a "high degree of disregard" for procedures in awarding the 2020 census contract to the bankrupt printing company Cenveo, the agency's Office of the Inspector General found.
U.S. Immigration and Customs Enforcement Executive Associate Director of Enforcement And Removal Operations Matthew Albence, testifies as the Senate Judiciary Committee holds a hearing on the Trump administration's policies on immigration enforcement and family reunification efforts, on Capitol Hill on July 31, 2018.
J. Scott Applewhite/AP
The mother orca, known as J-35, pushes her dead calf to the surface last week off the coast of Victoria, British Columbia, Canada. The infant orca died shortly after its birth, but its mother has been observed carrying it with her in the days afterward.
Michael Weiss/Center for Whale Research via AP
High-speed tracking dogs have been a game-changer in the fight against rhino poaching in South Africa. Their success depends on their ability to work as a team, which means they sleep and eat in the pack-sized enclosures shown above.
President Trump believes his emphasis on immigration is critical to rallying his voters this fall, and he may be right. They may care more about the promise of a wall than they have about his promise that Mexico would pay for it.
Win McNamee/Getty Images
Two years after Uber paid $680 million to buy the self-driving truck startup Otto, the company is folding that effort. In this photo from 2016, an Otto engineer sits behind the steering wheel of a self-driving, big-rig truck during a demonstration in San Francisco.
A man in Tehran looks at a newspaper with a picture of President Trump on the front page on Tuesday. Iran's currency traded at a fresh record-low of 119,000 to the dollar today, a loss of nearly two-thirds of its value since the start of the year as U.S. sanctions loom. Trump says he's willing to meet with Iranian leaders, but Iran doesn't seem eager to sit down.
Atta Kenare/AFP/Getty Images