The chief executive and president of the Livestrong cancer foundation, which has struggled with sharp declines in donations and revenue since founder Lance Armstrong's performance-enhancing drug use scandal, resigned Tuesday after less than one year on the job to focus on her family. Chandini Portteus was brought in to help rebuild Livestrong, but the foundation now finds itself with yet another leadership change as its once-global brand continues to shrink. Greg Lee, the chief financial officer for Livestrong for nearly 10 years, will serve as president. More...