Concerned Veterans for America has spent millions in support of Republicans in close races that will be decided on Tuesday.
CMD NEWS ABOUT Koch
Wisconsin AG Brad Schimel and Gov. Scott Walker had state weigh in on a California legal battle to hide donors to group tied to their biggest political patrons.
Controversial union-busting operation sends letter praising U.S. Senate candidate Leah Vukmir's stand against "forced unionism," but reports no spending in the race.
Many Koch candidates in tough battles with less than two weeks left until the 2018 Midterm elections.
Congressional recipients of Koch money lead charge on bad energy legislation.