Regarding this article, correct me if I am wrong, but I was under the impression that the only Congress can Subpoena a sitting United States President and Vice President. Is that wrong? I would normally email some of the folks around the blogosphere that are lawyers, such as Glenn Reynolds and XRLQ, among others, but I can only receive email at the moment, not send. Cannot find Verizon’s outbound server address.

Clinton got subpoenaed in the 1996 Arkansas Whitewater criminal trials of Jill McDougal, Susan McDougal and Jim Tucker.
http://www.pbs.org/newshour/bb/whitewater/clinton_2-6.html
His Day In Court.