According to the guys in lab coats, it’s not very likely that this will happen (PDF). But these are the same kind of guys that invented niceties like asbestos, the h-bomb, CFC gasses and the thorium toothpaste.
So, If tomorrow you feel being very rapidly compressed into something just a little larger than a singularity, together with the most of the mass of our solar system, it’s a tell-tale sign that some CERN boffin didn’t do his algebra quite right. In that case: Remain calm and enjoy the feeling of being so attractive that even light and the fabric of space-time itself time can’t resist you. Revel in the feeling that McCain, Palin, and global warming can’t harm you any further.
Have a nice day.
Here’s a live webcam feed from CERN