An expected assault in Mariupol called off by Vladimir Putin. What does that mean for what comes next? Global security expert Michael Mosser of the University of Texas breaks it down. And: The state's largest teacher prep and recruiting program of its kind gets failing grades from state auditors, but with a massive teacher shortage, many questions about what to do. Also: Historian Doris Kearns Goodwin on a major donation of archives to a top Texas center for history. Those stories and more today on the Texas Standard: