Top Stories:  A witness reportedly told police that a chase — possibly involving an Uber driver — preceded a crash earlier this month in Springfield that killed an 18-year-old woman.  The News-Leader reports that a search warrant reveals the woman was a passenger in a Nissan Altima that crashed into a concrete pillar.  A witness reported seeing a Ford Focus chase the Altima at high speeds moments before the Altima lost control and crashed.  And Missouri Governor Eric Greitens has released a vague outline of a bold tax plan he’s been touting after saying a more detailed offering would be issued.