What to watch in last multistate primaries of midterm season

New Hampshire, Rhode Island and Delaware will host the final multistate primary elections of the 2022 midterm season Tuesday, with contests to select candidates for governor, U.S. Senate and the U.S. House.

Because of their late primaries, the winners of Tuesday's races will have a mere eight weeks to win over voters ahead of the Nov. 8 general election. Delaware's primary will feature just one contested statewide race — the Democratic primary for auditor.

As in earlier contests in other states, former President Donald Trump's shadow looms large over some key races to be decided Tuesday, particularly in New Hampshire.

What to watch:

SUNUNU SEEKS A FOURTH TERM AS NEW HAMPSHIRE GOVERNOR

Until late last year, New Hampshire's Republican Gov. Chris Sununu was widely expected to run for the U.S. Senate, taking on Democratic Sen. Maggie Hassan. Instead, he opted to seek a fourth two-year term as governor, dealing a major blow to Republicans who had hoped he could help them retake control of the Senate.

Although he faced intense pressure to run for the Senate, Sununu insists he can have a bigger and more direct impact as governor than as a senator. And despite efforts by Trump's former campaign manager to recruit a challenger, none of the other five Republicans on the ballot Tuesday poses a serious threat.

Democratic state Sen. Tom Sherman is running unopposed for his party's nomination for governor.

REPUBLICANS' SCRAMBLE FOR U.S. SENATE IN NEW HAMPSHIRE

With Sununu out of the running, a crowd of 11 candidates stepped forward to seek the GOP Senate nomination, including state Senate President Chuck Morse, former Londonderry town manager Kevin Smith and cryptocurrency entrepreneur Bruce Fenton. But retired Army Brig. Gen. Donald Bolduc, who lost the GOP primary for New...