One can argue that Albus is no longer, if he ever was, rational, as he continues to pursue a losing strategy, making up for each loss with renewed vigor. I do believe that "doing the same thing and expecting different results" is a definition, by some, of insanity. He clearly has some severe control issues that're going to, I'd wager, hurt him even more before this is over. I think Fawkes change of companion is an excellent indication of just how far Albus has slipped.
Meanwhile, I love the way Harry & co. are coping with all this. It's wryly amusing to see most of the folks in the UK swinging around to his point of view. -wicked chuckle- When he sets Jeff on Dumbles' finances and those of Tom's supporters, it should make for some interesting times all around.
Author's response
Oh yes, things will get VERY interesting when the Order of the Phoenix gets a legal team, now, eh? Enemies of the light beware! muahahahahaha!!