In addition to sending/calling your reps in congress, I encourage each of you to either write a letter to the editor of one of the major papers (USAToday/WSJ/NYT/Wash. Post/etc), or send an email to one of the major news network talking heads (Sean Hannity, Rush Limbaugh, Lou Dobbs, etc). The more publicity we can get regarding this ordeal, the better off these two will be.
Brazil is still looking for scape goats. Let's make sure that it isn't two innocent US pilots that were just following an ATC clearance and have been 100% cooperative thus far. Especially when numerous Brazilian controllers refuse to make themselves available for statements and formal interviews with the investigators.