An Oklahoma woman who survived West Nile is doing what she can to warn others about the virus. Kristen Acosta was on a float trip on the Illinois River when she started coming down with the symptoms. She says it took doctors a little while to figure out was she had. "It is life-threatening, and I feel very blessed like I am a success story. I feel there are many people who are not here and I feel like I am speaking for all of them,” said Acosta. Health workers say the be...