Tesla sales in Europe plunged for a fifth month in a row in May, a blow to investors who had hoped anger toward Elon Musk would have faded by nowByBERNARD CONDON AP business writerNEW YORK -- Europeans still aren't buying Teslas with figures out Wednesday showing sales plunged for a fifth month in a row in May, a blow to investors who had hoped anger toward Elon Musk would have faded by now.Tesla sales fell 28% last month in 30 European countries even as the overall market for electric vehicles ...