immigration ban
Homeland Security Secretary John Kelly says potential terrorists may have already entered the country. We won't know "until the boom," he said before a congressional panel. Andrew Harnik/AP hide caption
Demonstrators in Los Angeles march to support a federal judge's ruling that grants a nationwide temporary restraining order against President Trump's order to ban travel to the U.S. from seven Muslim-majority countries. David McNew/Getty Images hide caption
Patrick Wicklund, from Seattle, stands outside the U.S. District Court, Western Washington, on Feb. 3 in Seattle. Washington state Attorney General Bob Ferguson filed a state lawsuit challenging key sections of President Trump's immigration executive order as illegal and unconstitutional. Karen Ducey/Getty Images hide caption
Retired Gen. David Petraeus warned the U.S. not to be complacent in protecting its place in the world order Wednesday. He's seen here in a photo from last summer. Bryan R. Smith/AFP/Getty Images hide caption
Fred Korematsu fought U.S. internment of Japanese-Americans during World War II. Google/Screenshot by NPR hide caption
Eliot Cohen, director of the Strategic Studies program, poses a question to U.S. Marine Corps Gen. Joseph F. Dunford, Jr., chairman of the Joint Chiefs of Staff, at the Johns Hopkins University School of Advanced International Studies. Sgt. James McCann/Office of the Chairman of the Joint Chiefs of Staff hide caption
Former State Dept. Adviser Paints Gloomy Picture Of Trump's First Week
President Trump and former President Barack Obama walk out prior to Obama's departure during the 2017 presidential inauguration. Getty Images hide caption