A legal battle is expected to come down to one question: Is it constitutional for the president to ignore Congress' decision not to give him all the money he wants for a Southern border wall, like that at Tijuana, Mexico, and, instead get it by declaring a national emergency? Mario Tama/Getty Images hide caption
A man walks amid rubble in the Syrian town of Douma in April 2018. A report out Sunday confirmed that a chemical attack early that month was one of hundreds since the start of the Syrian civil war. Hassan Ammar/AP hide caption
Theodore McCarrick, shown in 2011, has been accused of abusing minors and adults over a nearly 50-year clerical career. Patrick Semansky/AP hide caption
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Former Interior Secretary Ryan Zinke left the Trump administration amid unresolved ethics investigations. His department has been inundated by Freedom of Information requests and is now proposing a new rule which critics charge could limit transparency. Cliff Owen/AP hide caption
Tom and Tamara Conry stand outside their home in Paradise, Calif., which was almost untouched by November's deadly Camp Fire. Their property insurer notified them in December that it would not renew their policy past January. Pauline Bartolone/Capital Public Radio hide caption
NASA astronaut Anne McClain, attends her final exam at the Gagarin Cosmonauts' Training Centre outside Moscow on Nov. 14, 2018. STR/AFP/Getty Images hide caption
Survivor Maryland kicks off its 12th season with a challenge where participants' arms are tied to a plastic cup of water that's resting on the top of a ledge. One wrong move and the cup (and its contents) will tumble. Olivia Sun/NPR hide caption
Department of State Spokesperson Heather Nauert withdrew herself from consideration for the nomination of U.S. ambassador to the U.N. on Saturday. Yasin Ozturk/Anadolu Agency/Getty Images hide caption
Firefighters work at Ground Zero, the site of the World Trade Center attacks, on Sept. 11, 2001. Mark Lennihan/AP hide caption
Police officers respond to a shooting in Aurora, Ill., Friday afternoon. A gunman killed five people, then wounded five police officers in a firefight. Matt Marton/AP hide caption
A volunteer carries a bag with U.S. humanitarian aid goods in Cúcuta, Colombia, along the border with Venezuela, on Feb. 8. Raul Arboleda/AFP/Getty Images hide caption
Tech giant Google, whose headquarters is in Mountain View, Calif., plans to build a campus in nearby San Jose. Marcio Jose Sanchez/AP hide caption
Wim Janssen, one of the musicians involved in the recording project, plays a viola made by master luthier Girolamo Amati in 1615. Courtesy of Native Instruments hide caption
Bruno Ganz said of his signature role as an angel in Wings of Desire, "In some way I became an angel, and who except me has experienced that in his lifetime?" Andrew Medichini/AP hide caption
Alexsis Rodgers, president of Virginia Young Democrats, is one of the disappointed constituents who worked hard to elect some of the officials at the center of the Virginia controversies. Now, Rodgers says, the state democratic party must develop diverse leaders before there's another crisis. Sarah McCammon/NPR hide caption
Students at Betty Shabazz Academy in Chicago show off Desmond "Des Money" Owusu's new school uniform designs. Courtesy of Nolis Anderson hide caption
Most American cars run on gasoline. But analysts say that's poised to change as electric vehicles take over the market, although they disagree on how soon. Johannes Eisele/AFP/Getty Images hide caption
German Chancellor Angela Merkel and U.S. Vice President Pence talk at the Munich Security Conference on Saturday. Alexandra Beier/Getty Images hide caption
President Trump delivers remarks about border security in the Rose Garden at the White House on Friday. Brendan Smialowski/AFP/Getty Images hide caption
President Trump announces his emergency declaration during a Rose Garden event at the White House on Friday. Chip Somodevilla/Getty Images hide caption
Supporters stand on a roof with placards and banners as they attend a campaign rally of the Nigerian opposition leader Atiku Abubakar on Thursday in Jimeta, eastern Nigeria. Luis Tato /AFP/Getty Images hide caption