Why.

When buying a new bed, how can a matress be an optional extra?
Why does the spell-check in my email package not know the word 'email' or 'website'?
How do they get all the dried-up pieces of lime out of the Corona bottles?
Pandas?

And what's with all the bombs? Enough now, we get it - you don't like George W. Well nor do we but wait a couple of years and he'll be gone. If you don't like the world do something constructive about it, do some charity work. Just stop blowing yourselves up, it's very selfish and not very friendly.