LISTEN: On the Thursday, Feb. 22 edition of Georgia Today:\xa0The state Board of Education has upheld the firing of a Cobb County\xa0teacher for teaching\xa0so-called "divisive concepts" in the classroom; a proposed mine near Georgia's Okefenokee National Wildlife Refuge is nearing final approval; and the U.S. Supreme Court has overturned a Georgia Supreme Court decision in an unusual case\xa0involving a\xa0murder\xa0in metro Atlanta.