Former U.S. Sen. Alan Simpson, a political legend whose quick wit bridged partisan gaps in the years before today’s political acrimony, has died at 93.

Former U.S. Sen. Alan Simpson, a political legend whose quick wit bridged partisan gaps in the years before today’s political acrimony, has died. He was 93.

John Holdren delivered these remarks as part of his keynote address at last Friday's 'Stand Up For Science' rally in Woods Hole.

Michelle Obama is back! The former first lady made her first public appearance since Donald Trump’s inauguration took place ...