As the weather and the political season are heating up, so is corporate campaign spending in the wake of the Supreme Court’s decision in Citizens United v. Federal Election Commission. And companies are contributing in the way many people predicted they would after the high court’s decision last January: They’re funneling their contributions through labor unions and nonprofits.

Trevor Potter pointed to a prime example during a panel discussion Tuesday at the 22nd Annual General Counsel Conference in New York. It was the nasty Democratic primary runoff in Arkansas between Sen. Blanche Lincoln and Lt. Gov. Bill Halter, which was in its final stages as Potter spoke.