Surrounded by steel and aluminum workers, President Trump holds up the order on steel imports that he signed in Roosevelt Room at the White House on Thursday. Chip Somodevilla/Getty Images hide caption

Senate Majority Leader Mitch McConnell, R-Ky., says Republicans in Congress are concerned that President Trump's proposed tariffs might metastasize into a larger trade war. J. Scott Applewhite/AP hide caption

Health insurer Cigna is looking to increase its muscle by buying Express Scripts, a leading manager of prescription benefits. Wilfredo Lee/AP hide caption

Antonio Magic was arrested four times by school resource officers — once as an 8th grade student and three times at his former high school. Cheryl Corley/NPR hide caption

U.S. Paralympic snowboarder and inventor Mike Schultz in his St. Cloud, Minn., office, showing off the prosthetic sports leg he invented in 2009. The Moto Knee costs about $6,000; the Versa Foot is around $2,400. It's estimated 30 athletes will use the devices at the Paralympics in South Korea. Tom Goldman/NPR hide caption

Virginia Del. Kathy Tran often brings her baby to work and has breastfed on the House floor in Richmond. Sarah McCammon/NPR hide caption

In season two, Jessica Jones (Krysten Ritter) is still haunted by Kilgrave (David Tennant), the man who once abducted her. David Giesbrecht/Netflix hide caption