WASHINGTON (Reuters) - Several U.S. Securities and Exchange Commission staffers responsible for monitoring the markets and exchanges broadly misused computer equipment to download music and failed to properly safeguard sensitive information, a report has found. In a 43-page investigative report that probed the misuse of government resources, SEC Interim Inspector General Jon Rymer discovered that an office within the SEC's Trading and Markets division spent over $1 million on unnecessary technology. These policies call for exchanges to establish programs concerning computer audits, security and capacity. They are, in essence, a road map of the