How do I clean suede?

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I was in the middle of a nice long drive back from Columbus over Easter, when my girlfriend looks at me and says "I'm sorry". At first I was confused, then I saw the 2 inch long blue pen mark going down the passanger side door handle, the suede part.
I managed to stay some what calm, and said "you should be". Anyway, does anyone know how to clean ink out of suede or do you know anyone with part of a door panel for sale?