http://adf.ly/1SZdI2, http://adf.ly/1XIsTW, http://www.ctvviet.com, http://www.nhac24.com <br />A unique set of challenges further complicates the upcoming Olympics for Rio de Janeiro, Brazil. Relentless rains take their toll on part of Texas. NOAA releases its forecast for the Atlantic hurricane season. And we take a look back at how the digital camera has changed photography.
