http://news.nationalpost.com/news/canada/canadian-politics/trudeaus-response-to-boston-marathon-bombing-was-unacceptable-made-excuses-for-terrorists-harper-says

"Trudeau said he would offer the American material support “and at the same time, over the coming days, we have to look at the root causes.”

“Now, we don’t know now if it was terrorism or a single crazy or a domestic issue or a foreign issue,” he said. “But there is no question that this happened because there is someone who feels completely excluded. Completely at war with innocents. At war with a society. And our approach has to be, where do those tensions come from?

“Yes, there’s a need for security and response,” Trudeau added. “But we also need to make sure that as we go forward, that we don’t emphasize a culture of fear and mistrust. Because that ends up marginalizing even further those who already are feeling like they are enemies of society.”"

Flip flop