also ahead in this half hour, the pilot of a small plane who splash landed in lake huron and had to tread water for 18 hours waiting for help. he's well enough to talk and we'll hear about his unforgettable ordeal. later this half hour, dogs love to run. you're about to meet an amazing canine who is so into running he's a star attraction at a marathon. see why this is our favorite story of the day. before all that the army says for the second time in two years one of their own was plotting a deadly attack on troops at ft. hood, texas. >> this time a clerk at a gun shop got suspicious and tipped off police. it happened in killeen, texas, near the army base. as abc's ryan owens reports. >> reporter: investigators say this young soldier has been battling the army almost since he joined it. >> i don't want to deploy because i believe i can't both deploy and be a muslim. >> reporter: 21-year-old naser abdo didn't want to fight in afghanistan. sources say he was more than