Democratic Bruce Braley defends her position to eliminate the the Keystone Pipeline for overreach . Joni Ernst defends his decision to reverse his support for EPA . At the center of the energy debate , the candidates swapped jabs about another kind of green : special interest dollars . Both candidates accused each other of having ties to dark money .
Democratic Bruce Braley defends her position to eliminate the the Keystone Pipeline for overreach . Joni Ernst defends his decision to reverse his support for EPA . Both candidates accused each other of having ties to dark money .