So one of the stories burning up the CNN.com tonight is about a barista who donated a kidney to a regular customer. Turns out the customer had Polycystic Kidney Disease, but her "angel" came to save her. Does anyone see the irony here?
Here is one clue: Wiki Description of PKD
Here is a second clue:
Wiki Description for Treatment for Hypertension
Last clue, in question form: Does this customer drink decaf?
Information about Organ and Tissue Donation in the U.S.