sld, apparently they are not accepting them but are giving rainchecks (which will also include a free pepsi) - info here: http://www.kfc.com/coupons/raincheck.asp
I have no intention of going to KFC to pick up a raincheck form, then mail it in, wait for my coupon, and then go back for my free meal. And I see no reason why, if they can give rainchecks for a free coupon, why they can't just honor the original coupons?
I suppose it's good business that they're ultimately honoring the free meal deal by doing this, but bad business in that the whole thing turned into a mess, and now I'll probably never go. Meanwhile, they could've had me in there for free grilled chicken, I could've liked it, and then started patronizing them again (which I don't now). Their loss.