Should we bring Guantanamo inmates to U.S. prisons, as the Obama administration has proposed? FBI Director Robert Mueller doesn't think that it would be wise to house such prisoners even in the ultra-high security Supermax facility: "The concerns we have about individuals who may support terrorism being in the United States run from concerns about providing financing, radicalizing others." Radicalizing others is a real possibility: two of the four Muslims, James "Abdul Rahman" Cromitie and Onta "Hamza" Williams, who were arrested last week for plotting to blow up synagogues in the Bronx and shoot down an airplane, converted to Islam while in prison. When they went to prison, both were Baptists.

This really shouldn't be surprising to anyone. Mueller sounded the warning some time ago, saying that America's prisons were "fertile ground for extremists." And a new Rand Corporation study, released just this month, has found that Islamic jihad groups have long targeted prisons as key centers for recruitment.

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