Updated at 11:28 a.m.

President Trump's defense team is expected to maintain Monday, the second day of its arguments in the Senate impeachment trial, that the president was legally justified in freezing military assistance to Ukraine and that the case against Trump presented by Democrats does not clear the bar of an impeachable offense.

Updated at 8:23 p.m. ET

Basketball legend Kobe Bryant and his 13-year-old daughter Gianna were killed in a helicopter crash on Sunday in Calabasas, Calif., the city's mayor has confirmed. Bryant was 41.

Updated at 3:32 p.m. ET

Health officials in two California counties have reported over the weekend two new cases of Wuhan coronavirus in the state, bringing the total number of cases in the U.S. to four.

The Orange County Health Care Agency reported Saturday that a man in his 50s tested positive for the infectious disease and is currently being treated in isolation at a local hospital.

Updated at 3:24 p.m. ET

Two astronauts aboard the International Space Station conducted their fourth and final spacewalk Saturday to finish a series of repairs aimed at extending the functioning of a cosmic ray detector attached to the spacecraft.

The six-hour, 16-minute foray outside the space capsule began shortly after 7:00 a.m. ET and ended at 1:20 p.m.

When I met Tom Railsback a few years ago, he told me he'd worried about going to a Chamber of Commerce meeting in Peoria in the fall of 1974.

Tom Railsback of Illinois was a middle-aged Republican congressman from the middle of a state in the middle of America when he was on the House Judiciary Committee in 1974 that heard the case for impeachment against President Richard Nixon.

Mr. Railsback greatly admired President Nixon. "His opening of the door to China," he told me, "had to be the most brilliant foreign policy move ever."

Updated at 1:32 p.m. ET

President Trump "did absolutely nothing wrong," White House counsel Pat Cipollone said Saturday, as lawyers representing the president got their first shot to poke holes in the impeachment case made this week by Democrats.

Saturday's proceedings, which lasted a little more than two hours, set up the White House arguments in the impeachment trial. The proceedings resume Monday at 1 p.m.