J'ai eu à prendre une décision difficile: en effet, soit j'accompagnais Sir Robert dans les visites qu'il devait faire à Ottawa, soit je prenais part à l'inauguration de l'observatoire de neutrinos de Sudbury, en présence de Stephen Hawking.
I was faced with a difficult decision today because I had a choice between accompanying Sir Robert here in Ottawa on his round of calls, and going to Sudbury to take part in the inauguration of the neutrino observatory, which Stephen Hawking is also taking part in.