ms. christiansen. the gentleman from nebraska, mr. terry, is recognized for five minutes. >> thank you, mr. chairman. it has been asked before, but i have not asked it. as the old saying goes but i'll ask in a little bit different way regarding the over-the-air tv spectrum. the plan suggests the option of being able to give back or sell back, i'm not sure, that part of the spectrum. the second half of that is, does -- if there are not enough station holders willing to give back some of their spectrum, we have heard that you won't just force it, but, does the fcc even have authority to force them to take -- give back or the authority to take back some of that spectrum? do you guys have that authority. >> with respect to authority. the authority we don't have is to structure what we have called an incentive auction, where -- with respect to any band, we have the ability to ensure that any spectrum that is used that way, that some of the auction proceeds benefit the license holders. on the first question, again i would emphasize that bot