“…The truck drivers are among 2,000 North Dakotans and more than 400,000 Americans who have paid into the Central States Pension Fund and are worried about losing their pensions. The fund is one of the many multiemployer pension funds, which are run jointly by unions and employers. … Heitkamp said that under Butch Lewis, the federal government would infuse troubled pension funds with cash and guarantee loans the funds would seek from the private sector.”