The doctor saved Rose by inhaling the Tardis essence from her. I caused him to regenerate, but may have had other effects on him, such as no limit to his regeneration count. Also, the Doctor has been named president, which might also bring some regeneration benefits.
I've been entertaining thoughts about time lords that involves Rassilon's Game. Any Time Lord that leaves Gallifrey, they must assume some token identity.
From: David <[address removed]>
To: drwho-121 <[address removed]>
Sent: Mon, Jun 3,[masked]:40 am
Subject: Re: [drwho-121] Wow, big news today..