Is it appropriate to talk about current issues in a high school commencement speech?

Okay, I want the most conservative, oil-lovin’ Flutherite out there to tell me: would you be offended if the valedictorian of your child’s graduating class gave a speech that touched on the oil spill? The basic theme of my speech is, “The world has some obvious problems right now that need fixing, we’re the next generation of leaders, we need to be responsible and conscientious and we can’t make excuses for our failures.” I live in a really conservative area, but I have to believe that nobody of any political party likes this oil spill.

If you’d like to read the actual speech in order to better answer this (it isn’t long) PM me and I will send it to you.