Intriguing

Source Says Clark Ready to Endorse Kerry.

An interesting move, as ideologically he is more in tune with Edwards. Of course, it is difficult to tell where Clark is in terms of beliefs. Given that he is clearly rather opportunistic, he may be angling for a veep nod. Which would be cool, only because it would confirm this:

However, he may well ultimately be running more for a vice presidential nod, rather than the top slot.