Extremely admirable celebrity behavior on the part of country superstar Jason Aldean, in my opinion. Started to get a lump in my throat reading it on the radio. 7-year old Tyson Zimmer has brain cancer. His chances are slim. He's a huge fan and Jason hears Tyson's mom on a radio show talking about it. So he sends Tyson a personal video message, autographed CDs, posters, tickets to a show and backstage passes.   Now, the nearest concert from Tyson's home requires airfare and I'm sure you can imagine the family budget is a little tight right now. I'm also sure you can imagine who will probably pick that up too, huh? Like Brad Paisley says, "This is country music....and we do."  Nice touch, Mr. Aldean. It's an honor to play your songs on the radio.