WASHINGTON (Reuters) - The United States on Tuesday suspended military assistance to nearly 50 countries, including Colombia and six nations seeking NATO membership, because they have supported the International Criminal Court and failed to exempt Americans from possible prosecution. As the deadline passed for governments to sign exemption agreements or face the suspension of military aid, President Bush issued waivers for 22 countries. But the 22 countries did not include Colombia, Bulgaria, Estonia, Latvia, Lithuania, Slovakia and Slovenia. Colombia, where the government is fighting leftist guerrillas and drug traffickers, has been one of the largest recipients of U.S. military aid...