ONTARIO - A Chaffey College student is in federal custody after trying to gain entry to the Ontario International Airport airfield and posing as a Secret Service agent. Federal prosecutors have charged Mostafa Mansoori of Rancho Cucamonga, 20, with making false statements and attempting entry to a secure airport area by false pretenses, court documents show. The Ontario Airport Police Department on Monday detained Mansoori, who said he was "on a protective assignment for President Bush," and then notified the Secret Service, which is conducting an investigation. "The fact that the individual was caught and didn't gain access is the...