Republican Assemblyman James Gallagher is heading to Congress after winning the special election to fill the late Rep. Doug LaMalfa’s vacant seat. But even as Gallagher celebrates that win, his next race is already underway. In November, Gallagher is expected to face Democratic state Sen. Mike McGuire for a full two-year term in California’s 1st Congressional District. This time the contest will take place under newly drawn congressional lines that are more favorable to Democrats. Here’s what to know.