Clark only declared himself a Democrat this past August. Why the decision to run as a Democrat? A hint can be found in a recent Newsweek article. After 9/11, Clark had expected the Bush Administration to enlist him in their “war on terror.�
“After all, he'd been NATO commander … and the investment firm he now worked for had strong Bush ties. But when GOP friends inquired, they were told: forget it. Word was that Karl Rove, the president's political mastermind, had blocked the idea. Clark was furious. [Clark] happened to chat with two prominent Republicans, Colorado Gov. Bill Owens and Marc Holtzman. . . . "I would have been a Republican," Clark told them, "if Karl Rove had returned my phone calls." Soon thereafter, in fact, Clark quit his day job and began seriously planning to enter the presidential race -- as a Democrat. Clark late last week insisted the remark was a "humorous tweak." The two others said it was anything but. "He went into detail about his grievances," Holtzman said. "Clark wasn't joking. We were really shocked.� (Newsweek, September 29, 2003)