Quoting directly from the source  which is incidentally only a page long  the third paragraph reads In an unprecedented diplomatic maneuver on  May the Bush administration effectively withdrew the US signature on the treaty At the time the Ambassadoratlarge for War Crimes Issues PierreRichard Prosper stated that the administration was not going to war with the Court This has proved false the renunciation of the treaty has paved the way for a comprehensive US campaign to undermine the ICC my emphasis added