. >> if helping people regainch. their strength sounds appealing, physical therapy may be the career for you. for "teen kids news," i'm erika. >> this report is brought to you by the american red cross. it's called "holiday mail for heroes" -- hundreds of thousands of heartfelt messages sent to those who serve in our military, wherever they may be. many cards go overseas, greeting our military at the end of a difficult and dangerous day. >> some cards for you. >> other special deliveries may be closer to home. >> they put their heart and soul into making those cards -- drawing the stuff on them, coloring them. >> even the simplest message is meaningful. this soldier is unable to see the cards he's received. but his father can read them to him, proving that his sacrifice is appreciated. >> it says, "dear soldier, i hope you get better someday." >> "holiday mail for heroes" is run by the american red cross, along with cosponsor pitney bowes. >> what we're doing is we're gathering a tremendous number of cards from ameri