Amid all the shocking details in the disrupted plot to bomb Bronx synagogues and fire missiles at American military aircraft, one component of the case should come as no surprise - three of the alleged culprits converted to radical Islam in prison. Radical Islamists have targeted prison populations for recruitment for years. That's where Jose Padilla, suspected of plotting to detonate a dirty bomb and convicted of conspiracy to murder people overseas and of providing material support to terrorists, converted and was radicalized. That's where a California man, Kevin James, created his own cell, called the Jam'iyyat Ul-Islam Is-Saheeh (JIS),...