Martin Stringer (foreground) and Andrew Skeith (background) walk toward the Federal Courthouse in Oklahoma City on Wednesday, April 6, 2011. Former Senate leader Mike Morgan, lobbyist Andrew Skeith and attorney Martin Stringer pleaded not guilty at a 13-minute arraignment today in a public corruption case. Photo by John Clanton, The Oklahoman ORG XMIT: KOD