Bedford County officials are waiting to see whether the federal government will revoke immunity for a foreign diplomat they say showed up in the Forest area yesterday expecting a tryst with a 13-year-old girl. Dr. Salem Al-Mazrooei, a diplomat from United Arab Emirates, has not been charged with any crimes, but Bedford County Sheriff Mike Brown said if Al-Mazrooei's immunity is revoked, he will be charged with four felony counts of electronic solicitation of a minor. Operation Blue Ridge Thunder, a group of Bedford County investigators who focus on Internet crimes against children, has been working this case for about...