With control of Congress hanging in the balance, nominees have attacked their rivals’ records, stock portfolios and families, with varying degrees of accuracy.
From left, Representative Mike Collins, Republican of Georgia; Troy Jackson, the Democratic nominee for Senate in Maine; and Mike Rogers, the Republican Senate candidate in Michigan.
The race in Maine, which could decide Senate control, is testing whether there is still room for Ms. Collins’s brand of moderation during a sharply polarizing presidency.
Senator Susan Collins of Maine has cultivated a reputation as an independent-minded Republican who delivers for her state. As she seeks re-election, she faces a growing set of political challenges.
Senator Susan Collins, a Republican, and her Democratic challenger, Troy Jackson, disagreed over the war in Iran and President Trump in the third of four debates in a key race.
An executive with the Republican super PAC that paid for the ad attacking Troy Jackson, the Democratic Senate candidate in Maine, blamed its vendor for running the ad in Oregon.
Three months after a jarring summer candidate switch, some Democrats in the state are worried about the enthusiasm for their nominee, Troy Jackson, who is in a close race.
Supporters of Senator Susan Collins and her opponent in the Maine Senate race, Troy Jackson, waited for the candidates to arrive before a debate on Thursday.