I went into the foreign service because I was interested in politics. But, in 1991, when I joined, I didn't see much of an opportunity to be involved in federal politics as a Conservative. We were at the tail end of the Brian Mulroney era. I wanted to do something non-partisan as a way of preparing for a role in our politics later.

We are involved in a historic restructuring of the world economy. Virtually every country that matters has been striving to pursue the same economic model, and has bought into a set of market-based principles that has brought new players on the stage and new markets. We have to take full advantage.

Politics is a profession, and a form of service, and it should draw people who are passionate and have deep experience of the complex, changing nature of the world.

As Believers, we shine brightest in a sad and dark world; like a diamond that illuminates best when placed on black velvet.

Karzai is Afghanistan's first democratically elected president. He brought the international community into partnership on an unprecedented level, and he championed a new constitution that is liberal, democratic and still very Afghan. All of that does reflect a vision. But he's presided over a country that is still in conflict, and he hasn't taken some of the difficult decisions his own government wanted him to take. On corruption, he hasn't been as decisive as he should've been. There are legitimate questions about him.

I went into the foreign service because I was interested in politics. But, in 1991, when I joined, I didn't see much of an opportunity to be involved in federal politics as a Conservative. We were at the tail end of the Brian Mulroney era. I wanted to do something non-partisan as a way of preparing for a role in our politics later.

If the Taliban comes back to power, the impact would be devastating. A country that has made great strides, in terms of development indicators, would take a huge step backwards. Afghanistan's national economy would be devastated.