University of Illinois officials said Tuesday they can't locate Ward Churchill's master's thesis and aren't sure if he was required to write one. The embattled University of Colorado ethnic-studies professor claims undergraduate and graduate degrees from the University of Illinois' Springfield campus, which was known as Sangamon State University until 1995. Springfield is in Sangamon County. University of Illinois at Springfield spokeswoman Cheryl Peck confirmed that Churchill received a bachelor's degree in 1974 and a master's degree in 1975. But no thesis is on file, she said. "We can't say for sure he didn't write one," Peck said. It is...