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Changes at the Herald THE REGION The Boston Herald named business columnist Cosmo Macero Jr. editor of its business section, replacing Ted Bunker, a nine-year Herald veteran, who has left the newspaper to  quot;pursue other opportunities, quot; according to a Herald statement. Macero, 37, will continue to write a regular business column. Herald editorial director Ken Chandler said Macero was promoted  quot;to make the section ... 
