Ed Morse, Global Head of Commodities Research at Citigroup Global Markets, Ryan Lance, Chairman and CEO of ConocoPhillips, Alan Armstrong, President and CEO of Williams Cos, and Mike Wirth, Chairman and CEO at Chevron, share their views aout the challenges and opportunities facing the energy industry, especially in the US.Hosts Denise Pellegrini features the best stories of the day from Bloomberg Radio, Bloomberg Television, and over 150 Bloomberg News bureaus around the world on Bloomberg Radio's Bloomberg Best.