If establishment Republicans think that running negative television advertisements will quell the wave of support for Donald Trump’s presidential campaign, Midwest voters say they should think again.

While waiting for Trump to arrive for a rally in Davenport, Iowa, on Saturday, voters who say they are still weighing their options said they would either not be swayed or be more likely to support the billionaire if they were to see negative ads on their televisions bashing the GOP front-runner.

“If anything, I think it’ll stir up Trump’s base more and maybe engage them more,” Curt Anderson, a 20-year-old from Orion, Illinois, said.

Read the article “Why Negative Ads Against Donald Trump Haven’t Worked So Far” on bloomberg.com.