The gubernatorial recall vote in Wisconsin highlights Tuesday's elections. Five other states are holding presidential primaries, although Republican Mitt Romney and Democrat Barack Obama already have won enough delegates to claim their parties' nominations. Those races and other highlights of voting:

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CALIFORNIA (polls close at 11 p.m. EDT)

Senate: Twenty-four names are on the primary ballot. Under a new primary system, the top two choices will compete in the general election regardless of party affiliation. Democratic Sen. Dianne Feinstein is expected to be one of the two.

Ballot initiative: A proposal to raise cigarette taxes by $1 a pack to fund cancer research.

Presidential primary.

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MONTANA (polls close at 10 p.m. EDT)

Senate: Rep. Denny Rehberg is expected to win the Republican primary to challenge Democratic Sen. Jon Tester. Rehberg faces token primary opposition. Tester is unopposed.

Governor: Republicans hoping to retake the governor's mansion after eight years under Democrat Brian Schweitzer are choosing from a large field that includes former Rep. Rick Hill. Democrats are expected to nominate Attorney General Steve Bullock.

Presidential primary.

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NEW JERSEY (polls close at 8 p.m. EDT)

Senate: Democratic Sen. Bob Menendez is unopposed in the party primary. Republican state Sen. Joe Kyrillos faces three relatively unknown challengers and is expected to oppose Menendez in the general election.

House: In the redrawn 9th Congressional District, Democratic Reps. Steve Rothman and Bill Pascrell are competing against each other in the heavily Democratic district. In the 10th Congressional District, six candidates are vying to replace the late Rep. Donald Payne, whose seat is expected to remain with Democrats this fall. Newark City Councilman Donald Payne Jr. hopes to succeed his father.

Presidential primary.

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