AFAIK, these are the only two government officials who have been named.
http://www.chicagotribune.com/news/nationworld/la-na-washington-post3-2009jul03,0,639509.story
Rep. Jim Cooper’s office said the Tennessee Democrat received an invitation this week to attend a dinner on July 21 at the house of Post Publisher Katharine Weymouth. Sen. Olympia J. Snowe, a Maine Republican, was also among those asked to attend.
http://www.observer.com/2009/media/new-rules-times-company-cellphones
New Rules for Times Company Cell Phones