Republican Joni Mitchell defends her position to sue the state for overreach . Bruce Braley defends his decision to reverse his support for the Keystone Party . The debate made it clear : Environmental regulation is the issue where the 2014 hopefuls really differ . Both candidates accused each other of having ties to dark money .
Republican Joni Mitchell defends her position to sue the state for overreach . Bruce Braley defends his decision to reverse his support for the Keystone Party . Both candidates accused each other of having ties to dark money .