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The Cleveland Clinic's Lou Ruvo Center for Brain Health in Las Vegas will play host to a town-hall event tonight for Democratic presidential candidates Hillary Clinton and Bernie Sanders. It will air on MSNBC at 9 p.m. (Courtesy of the Cleveland Clinic)

CLEVELAND, Ohio -- Cleveland Clinic will take center stage tonight in the Democratic primary fight between Hillary Clinton and Vermont Sen. Bernie Sanders. Well, actually it will become the stage.

The Clinic has offered up its Lou Ruvo Center for Brain Health in Las Vegas as the venue for a town hall with Clinton and Sanders. The event will be broadcast on MSNBC at 9 p.m.

The town hall is the last showdown between the candidates before the pivotal Nevada caucuses on Saturday. It will be hosted by moderators Chuck Todd and Jose Diaz-Balart.

MSNBC engineers have spent much of the last three days loading audio, lights and staging into the Clinic's Frank Gehry-designed medical center, which focuses on neuro degenerative diseases such as Alzheimer's, Multiple Sclerosis, and Parkinson's.

The medical director of the brain health center, Dr. Jeffrey Cummings, said the Clinic only learned that it had been selected to host the event last Friday. "It's been very intense here," he said, adding that preparation for the event includes a detailed security sweep of the building, construction of a stage and backdrop, and intricate technical preparations.

"We have five huge trucks parked in our parking lot and a couple of them have very major satellite dishes that are pointed skyward," Cummings said. "Lots of people and equipment are coming in and out."

Technical rehearsals for the telecast were to begin this morning. The main event with Clinton and Sanders will be preceded with an edition of "Hardball with Chris Matthews" and a pre-show anchored by Chris Hayes.

The town hall is expected to be wide ranging, but Cummings said he hopes the venue will encourage the candidates to talk about health care issues, including research and funding for brain health research.

"I will raise a question about Alzheimer's disease, if allowed, and I have applied for that," Cummings said. "We're hoping to be able to introduce the topics that are keenly important to us."