When Alito says that no one is above the law it's an utterly meaningless statement if his view of law includes a limitless view of the president's Article II powers which trumps all other laws. Or, as Torture Yoo put it, Bush can crush the testicles of children if he wants to.
In other words, all "no one is above the law" means is that the law, in fact, allows Bush to anything he pleases as long as he claims it's for national security. Including, presumably, lying about blowjobs.