In December the union hosted the Teamsters Vote 2020 Presidential Forum in Cedar Rapids, Iowa, where six presidential contenders shared their views about pension reform, expanding collective bargaining rights and other top issues that matter most to hardworking Americans. Former Vice President Joe Biden, Sen. Cory Booker of New Jersey, Mayor Pete Buttigieg of South Bend, Ind., Sen. Amy Klobuchar of Minnesota, investor and activist Tom Steyer and Sen. Bernie Sanders of Vermont all participated.