CHRISTIANSBURG, Va. — Attorneys at a trial seeking an accounting of the deadly 2007 rampage on the Virginia Tech campus are expected to question the chief of the university's police force Wednesday to explain his actions during the first two killings on campus. Police Chief Wendell Flinchum is among the witnesses scheduled to testify in a wrongful death lawsuit brought by the parents of two students who were among the 33 killed during the deadliest mass shooting in modern U.S. history. Flinchum's officers were the first to investigate the slayings at Ryan Clark and Emily Hilscher in a dormitory on...