When it comes to fighting terrorism, Canadian prime minister wants a law and order approach, not social science. The arrest of immigrants to Canada in a plot to attack a train from Canada to New York City has led to some Liberal Party politicians calling for efforts to understand why some people embrace terrorist ideologies. But Prime Minister Stephen Harper, leader of the Conservative Party, is having none of it. It comments that have attracted widespread attention, he said: "In terms of radicalization, this is obviously something we follow. Our security agencies work with each other and with others around the globe to track people who are threats to Canada and to watch threats that may evolve. I think though, this is not a time to commit sociology, if I can use an expression," The Ottawa Citizen reported.