Governor Tom Vilsack says he knows of no imminent terrorist threat posed against Iowans. A Detroit newspaper reports a man arrested in Cedar Rapids over the weekend has ties to Osama bin Laden. Vilsack says he has no reason to believe there is any threat that’s more prevalent here than anywhere else in the U-S.Vilsack says just under 100 Iowa National Guard troops will be called up to provide security at Iowa’s seven largest airports. He says they’re in the process of looking at all security issue.The airports are Burlington, Cedar Rapids, Dubuque, Des Moines, Mason City, Ottumwa, and Sioux CityThe man arrested in Cedar Rapids who may have terrorist ties is scheduled to make a court appearance Tuesday. The F-B-I still won’t say how the man arrested Friday in Cedar Rapids may be connected to the terrorist attacks. Youssef Hmimssa apparently had several aliases and a Detroit newspaper says he has ties to Osama bin Laden. The F-B-I says Hmimssa has several aliases and is accused of fraud and misuse of visas. He’d lived in Cedar Rapids about three months.