Rep. Darrell Issa (R-Calif.) told FCC Chairman Julius Genachowski that he has some explaining to do regarding transparency at his agency. Issa, the ranking member of the House Committee on Oversight and Government Reform, sent a letter to Genachowski expressing his concern that some of the commission's staff--those working on the national broadband plan--are on leave from positions at private companies, and there potentially could be conflicts of interest with their work. The broadband plan effort is being led by Blair Levin, a former telecommunications analyst at Stifel Nicolaus. Issa asked Genachowski to respond to his concerns by Dec. 22. Article (sub. req.)