Renowned political analyst Larry J. Sabato once again brings together the nation's most insightful analysts and astute observers of American politics to examine the Pendulum Swing midterm elections of 2010.   Pendulum Swing dissects the political momentum that lead to significant Republican gains in the Senate, House, and Governorships. While many political observers offer only a high-level overview of the events and factors that shape the outcome, Dr. Sabato and his team of contributing experts delve into the overlooked details to offer unique analysis from several different angles.