This is AP News Minute. President Barack Obama is naming Denis McDonough to lead the White House staff. McDonough has advised Obama on foreign policy for nearly a decade and most recently served as the president's deputy national security adviser. Thousands of anti-abortion demonstrators are marching through Washington. They're going to the U.S. Supreme Court to protest the landmark decision that legalized abortion. A U.S. research institute says recent satellite photos show North Korea could almost be ready to carry out a nuclear test. The images reveal that possible steps have been taken to seal a tunnel into a mountainside where a nuclear device could be detonated. Talk about a tense situation. Floods in South Africa have overwhelmed a crocodile farm there, freeing thousands of them into the surrounding area where crews are trying to wrangle them up. Lee Powell, the Associated Press with AP News Minute.