The FBI investigation into the terrorist attacks on the World Trade Center and Pentagon has led agents back to a familiar area: northern New Jersey. It was there, in Jersey City, just across the Hudson River from Manhattan, that a Muslim cell plotted the 1993 bombing of the twin towers and sought to destroy other New York landmarks as part of an urban guerrilla war against the United States. ~~snip~~ In Jersey City, within hours of two jetliners' plowing into the World Trade Center, law enforcement authorities detained and questioned a number of people who were allegedly seen celebrating the...