One of the most closely watched Senate races in the country is unfolding in Maine, where five-term Republican Susan Collins faces a tough challenge from Democrat Troy Jackson, a former logger and state legislator. The race is rated a toss-up, with both parties fighting for a seat that could determine control of the Senate. Lisa Desjardins reports from Maine.

The state is both fired up by this big race and exhausted by its avalanche of ads.

In the final sprint to Election Day, more than 12 million votes have already been cast nationwide. That includes more than 65,000 in Philadelphia. The city's voting processes have drawn President Trump's ire for more than a decade. In partnership with the Pulitzer Center, Lisa Desjardins takes a closer look at how officials in Philadelphia prepare for voting.

Rove, the reviled and revered hardball strategist behind the George W. Bush years, and Axelrod, the Obama strategist behind Democrats' authentic-and-tenacious school of thought, give their takes on races to watch.

The tense alliance between Ukrainian President Zelenskyy and President Trump is nearing a new low point. After days of bitter back-and-forth between the two leaders, Ukraine has resumed strikes on Russian energy targets. Trump had demanded an "energy ceasefire" this past Sunday between the two. Russia never stopped its attacks. Lisa Desjardins reports.

Let's get into the map and math.

Elon Musk has donated more than $365 million to support Republicans in the midterm elections. Musk's influence on the federal government is the focus of "Blockers," a new book by Michael Lewis. Lisa Desjardins sat down with Lewis to discuss Musk's time leading DOGE and the federal workers who found themselves in its crosshairs.