"Why?" joke

Why do you need a driver's license to buy liquor when you can't drink and drive?
Why isn't phonetic spelled the way it sounds?
Why are there interstate highways in Hawaii?
Why are there flotation devices under plane seats instead of parachutes?
Why are cigarettes sold in gas stations when smoking is prohibited there?
Do you need a silencer if you are going to shoot a mime?
Have you ever imagined a world with no hypothetical situations?
How does the guy who drives the snowplow get to work in the mornings?
If 7-11 is open 24 hours a day, 365 days a year, why are there locks on the doors?
If a cow laughed, would milk come out her nose?
If nothing ever sticks to TEFLON, how do they make TEFLON stick to the pan?
If you tied buttered toast to the back of a cat and dropped it from a height, what would happen?
If you're in a vehicle going the speed of light, what happens when you turn on the headlights?
You know how most packages say "Open here". What is the protocol if the package says, "Open somewhere else"?
Why do they put Braille dots on the keypad of the drive-up ATM?
Why do we drive on parkways and park on driveways?
Why is it that when you transport something by car, it's called a shipment, but when you transport something by ship, it's called cargo?
You know that little indestructible black box that is used on planes? Why can't they make the whole plane out of the same substance?
Why is it that when you're driving and looking for an address, you turn down the volume on the radio?
Why are they called apartments when they are all stuck together??
How does a lightbulb know when it has an idea?
If you are cross-eyed and have dyslexia, can you see straight?
If you are traveling in a car going the speed of sound, can you still hear the radio?
Why are light switches marked on and off? If they're on you can read them if they are off you can't see to read them.
If sugar makes you wired and caffeine makes you wired, why do we let cops with loaded guns hang out at doughnut shops?
Where does your lap go when you stand up?
Why are there pockets on men's pajama tops?
If butterknives are used to slice butter, why aren't chainsaws used to slice chains?
Why is it that so many towns are named after their water towers?