Lewin Group President makes clear to ABC's Gibson effects of public plan was just one "scenario" that they studied Video ››› June 25, 2009 7:37 AM EDT ››› MEDIA MATTERS STAFF ? From the June 24 edition of ABC's Nightline: Loading the player reg... Short Link copy link Posted In Health Care, Health Care Reform Network/Outlet ABC Show/Publication Nightline We've changed our commenting system to Disqus. Instructions for signing up and claiming your comment history are located here. Updated rules for commenting are here. View the discussion thread.