If only there was a book written by a 7th century warlord they all followed, then maybe we could determine what they believe in.
Via NRO:
Secretary of State John Kerry delivered some off the cuff remarks about the Boston Marathon bomber Tamerlan Tsarnaev and terrorism at a press conference in Belgium yesterday, saying that Tsarnaev had “learned something” in Chechnya and returned to the United States with “a willingness to kill people.” A State Department official quickly clarified to the Boston Globe that Kerry “was simply expressing broad concern about radicalism rather than indicating any new information or conclusion about the individuals involved.”
Kerry didn’t actually mention radicalism in his musings on the topic, though he did suggest that terrorists tend to lack a “belief system,” as well as a “policy for jobs,” and “a policy for education”