A brand name author with many admirers in the military criticized the U.S.-led invasion of Iraq, citing it as proof that "good men make mistakes." That same writer said he almost "came to blows" with a leading war supporter, former Pentagon adviser Richard Perle. The author is Tom Clancy. The hawkish master of such million-selling thrillers as "Patriot Games" and "The Hunt for Red October" now finds himself adding to the criticism of the Iraq war, and not only through his own comments. His latest book, "Battle Ready," is a collaboration with another war critic, retired Marine Gen. Anthony C....