One day after Mort Zuckerman shook up his Daily News by cutting loose the paper’s editor, the deposed leader gave a farewell address to the troops. Kevin Convey, the longtime Boston Herald editor who lasted only 18 months at the ailing News, gave a “short and sweet” farewell address, according to one insider. “It was a weird ending to a weird tenure,” said the insider. At about the same time, the incoming editor, Colin Myler, was boarding a plane in London, according to one report, to jet to his new assignment, which starts Jan. 10. “To the degree we’ve had...