Democrat George Whitesides, a former NASA chief of staff who had the support of national Democrats, has won a tough race to unseat Republican incumbent Rep. Mike Garcia in California’s 27 Congressional District.

George Whitesides has defeated three-term GOP Rep. Mike Garcia, flipping a long-coveted Los Angeles area House seat to the Democrats’ column. Garcia — who conceded the race Monday — was a top target for multiple cycles,

In one of the most competitive and closely watched Congressional races of this election cycle, Republican Rep. Mike Garcia conceded to Democrat George Whitesides, a political newcomer, on Monday, Nov.

Democrat George Whitesides wins election to U.S. House in California's 27th Congressional District, beating incumbent Mike Garcia

George Whitesides, the former NASA chief of staff, defeated Representative Mike Garcia, a Republican, flipping a hotly contested seat in the northern suburbs of Los Angeles.