CLEVELAND, MISSISSIPPI – Going for nearly a year with broken heating and air conditioning has been miserable for Ashley Matthews. But the last few months have been unbearable – and potentially dangerous. Matthews, 27, is six months pregnant with her third child. Her car didn’t have air conditioning, either, so Matthews financed a new one in May to get relief from the heat. “I can imagine if I’m this hot, how hot she is,” Matthews said about he…