In academic life, false ideas are merely false and useless ones can be fun to play with. In political life, false ideas can ruin the lives of millions and useless ones can waste precious resources. An intellectual's responsibility for his ideas is to follow their consequences wherever they may lead. A politician's responsibility is to master those consequences and prevent them from doing harm. Michael Ignatieff, a former professor at Harvard and contributing writer for the magazine, is a member of Canada's Parliament and deputy leader of the Liberal Party.

I was with the U.N. Secretary-General Boutros Boutros-Ghali on the day that Srebrenica fell, which happened to be a huge historical turning point in the Bosnian war.

Liberals don't want any part of Canada left behind. I used to give speeches on and on and on about the fact that we don't want to have a country where you think, "my kids have got to move to the city if they're going to have any kind of future." We've been saying that, and we've not got through.

I'm very struck by what you can do in a classroom. I've got 200 students. You don't do partisan politics in a classroom, that's not appropriate. But you want to give them a strong sense that these are the issues that matter.

There are all kinds of different forms of public service, but there's no form of public service that can make more difference for more people than partisan political activity.

What really matters is getting new people in. The constitutional changes matter, but the thing that the party mustn't do is turn in on itself and think the thing we've got to do is fix our plumbing. The thing we've got to do is get new people in.

I distinguish, between nationalism and patriotism.