The US Election Assistance Commission (EAC) believes Dominion Voting Systems machines in Michigan use “modem transmission features” and “do not match the EAC-certified system configuration,” according to a letter the inspector general of the EAC sent to U.S. Congressman Bill Posey, which was obtained by National File. A top Dominion executive reportedly testified that his machines use cellular modems, which experts previously said “make Michigan elections vulnerable.”…