On June 21, ultra-endurance cyclist Lael Wilcox announced that she had to abandon her latest around the world attempt due to extreme heat in Europe. Lael says she suffered from heat exhaustion, cycling 14 hours a day with throbbing headaches and sometimes vomiting. laelwilcox tells David Greene what went into that decision and what it feels like as an elite athlete to quit. #AroundTheWorld #Cycling #LaelWilcox #SportsinAmerica