LAS VEGAS—Sen. Jacky Rosen (D.Nev) has won a second six-year stint in the Senate, defeating Republican challenger Sam Brown. The Associated Press called the race at 12:15 a.m. ET on Nov. 9, four days after Election Day.
Rosen’s shores up Democrats’ minority in the upper chamber after Republicans won control of the Senate on Election Night.

Rosen, 67, championed women’s rights, access to abortion, safeguarding Social Security and Medicaid during the campaign, saying Brown would support federal restrictions on abortion and cut spending on the entitlement programs.
Brown, 40, a West Point graduate and U.S. Army infantry officer who endured third-degree burns over 30 percent of his body when he was wounded in Afghanistan in 2008, campaigned as a common-sense moderate and labeled Rosen a liberal out of step with Nevadans….