Ben Kamisar

Which states and races are closing at which times in the fight for president, Senate and House, as well as some key ballot measure battles.

As polls close across the country Tuesday, these areas could hold the keys to which presidential candidate comes out on top in the most hotly contested swing states.

NBC News projects the state's Republican governor won the seat currently held by Democratic-turned-independent Sen. Joe Manchin, who is retiring.

Republicans won the Senate but are looking to stretch their majority. The House of Representatives is still uncalled. And Trump is on the cusp of Electoral College success.

NBC News projects the controversial ballot measure will pass, a win for conservatives who have argued the federal government hasn’t protected the border.

That includes more than $3 billion in ad spending on the presidential race alone, according to AdImpact, an ad tracking firm.

The Democratic Senate candidates focused significant ad time on touting their accomplishments, while Harris and her super PAC talked mostly about plans.

Howard Lutnick, Trump's pick for commerce secretary, is the latest in a string of big donors to get nods for big positions in the president-elect's administration.

Matt Gaetz, Pete Hegseth and Robert F. Kennedy Jr. face questions about their personal actions as well as their professional qualifications ahead of the Senate confirmation process.

Sen.-elect John Curtis represents ruby-red Utah, but has not been afraid to dissent on key Trump priorities, including Matt Gaetz's scuttled nomination for attorney general.