New Canaan Library is pleased to announce that acclaimed journalist, documentary filmmaker, and multiple Peabody and Emmy Award–winning producer Chris Whipple will be guest speaker for the Library's 2017 William Attwood Memorial Lecture. The crucial, and ultimately powerful, role of any president's chief of staff is compellingly explored and detailed in his recently released book THE GATEKEEPERS: How the White House Chiefs of Staff Define Every Presidency. The Attwood Lecture will be held Thursday, June 1 at 6:30 p.m. in…