Democratic Congressional candidate and California Assemblyman Jared Huffman (D-San Rafael) returned a $5,000 contribution on Monday that he had accepted from the American Crystal Sugar Company Political Action Committee (PAC) on September 23, nearly two months into the associated organization’s lockout of 1,300 union sugar beet workers who voted against a new contract that would slash benefits and limit job security at a time when sugar prices and profits are rising. His decision to send…