WASHINGTON - The government has revoked the license of the pilot in charge of the small plane that strayed to within three miles of the White House on May 11, forcing the panicked evacuation of thousands of people from the executive mansion, Capitol and Supreme Court. Though hundreds of people have mistakenly flown into Washington's restricted airspace, this was believed to be the first such revocation. The Federal Aviation Administration said Monday that it had issued an emergency revocation of Hayden L. Sheaffer's pilot's license because he "constitutes an unacceptable risk to safety in air commerce." The agency said no...