Power cord overheating, now won't charge

The end of my power cord, which connects to my Macbook Pro had gradually been getting warmer the past 2-3 weeks to the point where I couldn't touch it anymore (and quite frankly was afraid to leave the room with it plugged in). It stopped working completely Saturday night.
I have a Genius appointment tomorrow and was wondering if I needed to bring my MBP or just the cord?
Will they have a replacement cord at the store? I've already checked and power cords/adapters are covered by the AppleCare plan so I shouldn't be charged. I ordered the MBP 8/25/10, and two weeks later it was declared "DOA" by the Genius Bar. I had to wait 6 weeks for the replacement to arrive. They claimed it was because it had to be special ordered to due the Anti-glare screen.
Thanks

Charging input circuit on the motherboard is most likely fried....
I would probably suggest getting a new laptop.
This is a fairly common problem with laptops though.

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Power cord overheating, now won't charge

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