For the board astronomers…
http://www.newscientist.com/news/news.jsp?id=ns99992311
Should we or our children worry?
[clapping hands and jumping up and down in glee]
Oh, yes, let’s! I’m SO glad to have something else to worry about besides terrorists! 
Um, now, let me see, I’ll start…
“Oh, no, it’s the end of everything! In hundreds of millions of years, it will be the end of McDonalds!”
Okay, folks, the Panic Line forms on the right…
next?
Thank God I just renovated the bomb shelter. I wonder if I should stock up on food now, or wait a few milennia. Twinkies will be fine, right?
<moe>
Let’s go burn down the observatory so this will never happen again!
</moe>