Good morning, St. Louis! Here are five things to know before you start your busy day: 1. Time to say good-bye: Mike Rush, an investigative reporter and anchor at KSDK Newschannel 5, has announced he will be leaving KSDK to take a job at its sister station, KVUE, in Austin, Texas. Rush has worked at KSDK for the last six years and will officially begin his new gig on March 20. He is originally from the Texas area. 2. Good news for newly engaged couples: St. Louis is the sixth most affordable city...