California Gov. Gavin Newsom on Thursday signed into law a contentious congressional redistricting plan, as state Democrats seek to counter a Trump-backed effort to add to the GOP's House majority by redrawing Texas' congressional maps. "They fired the first shot in Texas," Newsom said. "We wouldn't be here had Texas not done what they just did." The new map — which still needs to be approved by voters in a special election on Nov. 4 — would shift five of California's Republican U.S. House seats