Kerry Promises to Crack Down on Crime in Corporate Offices By DAVID M. HALBFINGER OSTON, Dec. 11 — Senator John Kerry said on Thursday that he would crack down on abuses in the mutual fund industry if elected president and called for expanding the antiracketeering laws to fight a "new age of organized crime that comes from corporate offices." Speaking at Northeastern University, Mr. Kerry, a Massachusetts Democrat, said he would end the rapid-fire, quick-turnaround trades known as market timing, in which fund managers and big investors have been allowed to profit at the expense of long-term shareholders. "In America...