http://adf.ly/1SZdI2, http://adf.ly/1XIsTW, http://www.ctvviet.com, http://www.nhac24.com <br />This Friday, find out what makes California's wildfires so unpredictable. Hear why Brazilian police dispute a recent claim by four American swimmers, and understand why it could be days before floodwaters in Louisiana recede. Finally, as our National Park Service series continues, take a tour of the Grand Tetons with the rangers who patrol the area and specialize in saving lives.
