had we showed him tape of donna porter and d.j. batiste, it brought tears.t make you emotional? >> well, you watched -- you watched in action what a teacher can do. look at the pride on his face. that joy. i don't think i've ever been that happy in my life. >> greatest accomplishment of my life. >> reporter: this young man -- >> he's going to do great things. >> reporter: when porter teaches, she told us she is reading her students, watching for who needs help and who's behind. with affection, she calls them lumps of coal and believes that every one of them, just like d.j., could be her next gem. wyatt andrews, cbs news, mississippi. >> congratulations to her. >>> coming up after your local news on "cbs this morning," the latest on sergeant robert bales who's expected to be charged with murdering 17 afghans today. plus an in-depth look at what killed whitney houston. that's the "cbs morning news." killed whitney houston. ,,,, >> a car slammed into >>

when we showed sondheim tape of donna porter and d.j. batiste, it brought tears.ake you emotional? >> well, you watched-- you watched in action what a teacher can do. look at the pride on his face. that joy. i don't think i've ever been that happy in my life. >> it's the greatest accomplishiment of my life. >> reporter: this young man. >> and he's going to do great things. >> reporter: when porter teaches, she told us, she is reading her students, watching for who needs help and who's behind. with affection, she calls them "lumps will of coal," and believes that's every one of them, just like d.j. could be her next gem. wyatt andrews, cbs news, picayune, mississippi. >> pelley: and that's the cbs evening news for tonight. for all of us at cbs news all around the world, good night. captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org but we couldn't simply repeat history. we had to create it. introducing the 2013 lexus gs, with leading-edge safety technology, like available blind spot monitor... [ tires screech ] ...night view... and