President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE reportedly met earlier this week with his former White House chief of staff Reince Priebus Reinhold (Reince) Richard PriebusLeaked audio shows Trump touted low Black voter turnout in 2016: report Meadows joins White House facing reelection challenges Trump names Mark Meadows as new chief of staff MORE to discuss the 2018 midterm elections.

The two met over lunch Tuesday, where Trump pressed Priebus on the electoral landscape ahead of next year's congressional elections, The Washington Post reported.

The Post also reported that Priebus raised other concerns to the president about the GOP's performance headed into the elections.

Priebus, the former head of the Republican National Committee, did not respond to the Post's request for comment.

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Democrats are increasingly optimistic about a wave of victories next year after a series of local electoral wins in recent months.

In Alabama, Doug Jones (D) defeated Roy Moore Roy Stewart MooreVulnerable Senate Democrat urges unity: 'Not about what side of the aisle we're on' Sessions hits back at Trump days ahead of Alabama Senate runoff Judge allows Roy Moore lawsuit over Sacha Baron Cohen prank to proceed MORE (R) in a special election earlier this month, becoming the first Democrat to win a Senate seat in the state in a quarter century.

In Virginia, Democrat Ralph Northam defeated Trump-backed GOP candidate Ed Gillespie in November to become the state's next governor after a hotly-contested national race. Northam defeated Gillespie by a wider margin than expected.

Priebus, who was replaced by John Kelly John Francis KellyMORE as Trump's chief of staff earlier this year, rejoined the Wisconsin law firm Michael Best and Friedrich LLP as its president and chief strategist after leaving the Trump administration.

His reported meeting with Trump comes as the president and Republicans celebrate the passage of their tax overhaul this week, their first major legislative victory since taking control of government.