Dozens of Republican House members have announced they will not run for reelection in the coming year, marking a 50-year high. Kwame Holman reports on who's retiring and what it may mean for Congress and the next president.

Rep. Charlie Rangel, D-N.Y., has proposed a plan to eliminate the alternative minimum tax, designed in 1969 to ensure wealthy Americans paid their fair share of taxes but which was never indexed for inflation. Rangel and Rep. James McCrery, R-La.,…