let them know about that raging case of the clap that we all know you havethat'll probably do the trick for you
I'm sure you had them with the split infinitive.
I sent a letter. Here is how I phrased it:Dear Mr. <Offeror>, Thank you for providing me an opportunity to interview with you and for inviting me to be a part of your firm this summer. During my interview, everyone made me feel very welcome and comfortable. Although I was very impressed by the atmosphere and the people of <firm name>, I have decided to accept a similar position with a different firm. I am therefore respectfully declining your offer for a summer associate position. Please extend my gratitude to everyone that I met during my visit. Best wishes for your firmís continued success.Sincerely,<name>