Clark will testify against Milosevic in secret, administration says.

Byline: Tom Hundley

LONDON _ The Bush administration has imposed heavy secrecy and censorship measures on the testimony of retired Gen. Wesley Clark, the former NATO commander seeking the Democratic presidential nomination, when he takes the stand later this month at the war crimes trial of Slobodan Milosevic.

The administration's action will blunt the drama of what many expected to be a crucial moment in Milosevic's lengthy trial and perhaps one of the defining moments in the presidential campaign of Clark, who defeated the Yugoslav leader in the Kosovo…