This letter offers the President your support during good or bad times.
1234, Main Street
Boston, MA 02123
05 April, 2005
<Recipient Address Goes Here>
I know that you are constantly dealing with the stress of what must be the world's most demanding job, and that things can't be much easier with the <current crisis> that's going on right now.
I simply wanted to write to let you know that you have my support, and that I think you are doing a wonderful job as President in the face of difficult odds and powerful opposition. Please stick to what you believe in, and keep up the good work!
Thank you for your time.
encl: <List of enclosed items goes here>