As voters head to the polls Tuesday for a crucial set of primary elections, a new Washington Post-ABC News poll finds antipathy toward their elected officials rising and anti-incumbent sentiment at an all-time high.

The national survey shows that 29 percent of Americans now say they are inclined to support their House representative in November, even lower than in 1994, when voters swept the Democrats out of power in the that chamber after 40 years in the majority.

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