8 Tight House Races to Watch on Election Night

Republicans are working to defend their 30-seat House majority.

— -- This year, Republicans are working to defend their 30-seat House majority -- the largest since 1928 -- from any down-ballot fallout from the presidential campaign. As results pour in on Election Night, here are some close races to watch:

Florida 07: Top Republican Fights to Save Political Career

New York 24: GOP Workhorse Faces Former Senate Staffer

New Jersey 05: Controversial Comments Put Republican on Defense

Florida 26: Former Congressman Takes On Early Trump Critic

California 49: Obama Antagonist Strikes Bipartisan Tone

Colorado 06: Hispanic Voters Could Swing Denver Suburbs

Florida 18: Republicans on Offense in South Florida