If there was a free, easy way to send a message of support directly to troops for Thanksgiving would you do it? Yes? Well, get out your cell phone. The Department of Defense is offering an instant text messaging service to put Americans in touch with U.S. soldiers who are protecting them abroad during the holiday season. Those who wish to participate can send a free text message to say thanks to 89297 and will immediately get a response from a soldier on their phone. (I did it and received five heartfelt responses within a few minutes.) This free texting...