The President-elect's party will control both houses of the new Congress, though anti-incumbent sentiment proved less virulent than expected.

But the biggest factors in determining the primary, analysts say, may be turnout and anti-incumbent sentiment.

The anti-incumbent sentiment is making for an unusual number of closely contested races.

Both candidates tried in their own fashion to tap into the anti-incumbent sentiment sweeping the country this election season.

He has raised nearly $200,000 and is trying to capitalize on the unusually strong anti-incumbent sentiment that has shown up in polls across the country.

We have heard about anti-incumbent sentiment, the desire for change, and disenchantment with old-fashioned liberalism.

Beyond that, there is plenty of historical evidence that it takes more than seizing on anti-incumbent sentiment to turn a party around.

In the rest of the country, strong anti-incumbent sentiment typically sends parties packing after one or two terms in office.

Republicans are counting on him to pay the price for anti-incumbent sentiment and take the fall for the decline of the area's defense industry.

"We had to run against an anti-incumbent sentiment."