Rick Casey Oct. 19, 2006, 10:04PM We refuse to work for homosexuals By RICK CASEY It's hard to imagine that when Sabrina Farber sent out an e-mail Wednesday she had any idea what kind of firestorm it would set off. At 9:08 a.m. Farber, who together with her husband, Todd, owns Garden Guy Inc., a landscaping company on Hillcroft, hit "send" on a message that delivered a painful blow with the verbal equivalent of a smiley face. "Subject: Cancel Appt - Garden Guy "Dear Mr. Lord, "I am appreciative of your time on the phone today and glad you contacted...