WASHINGTON — State Department investigators have found that the head of the agency overseeing most government broadcasts to foreign countries has used his office to run a ‘horse racing operation’ and that he improperly put a friend on the payroll, according to a summary of a report made public on Tuesday by a Democratic lawmaker. The report said that the official, Kenneth Y. Tomlinson, had repeatedly used government employees to perform personal errands and that he billed the government for more days of work than the rules permit. The summary of the report, prepared by the State Department inspector general, said the United States attorney’s office here had been given the report and decided not to conduct a criminal inquiry. The summary said the Justice Department was pursuing a civil inquiry focusing on the contract for Mr. Tomlinson’s friend. Through his lawyer, James Hamilton, Mr. Tomlinson issued a statement denying that he had done anything improper. The office of the State Department inspector general presented the findings from its yearlong inquiry last week to the White House and on Monday to some members of Congress. Three Democratic lawmakers, Senator Christopher J. Dodd of Connecticut […]