<p>LOUISVILLE, Ky. (AP) -- Bruce Lunsford, a millionaire businessman who sank $8 million of his fortune into a bid for governor, abruptly dropped out of the Democratic primary Friday, four days before the election.</p>
<p>Lunsford cited a devastating set of campaign commercials unveiled Thursday by his chief Democratic rival, state Attorney General Ben Chandler, that talked about abuse of patients in the nursing homes Lunsford's company operated.</p>