Peter G. Peterson is chairman emeritus and cofounder of The Blackstone Group, chairman emeritus of the Council on Foreign Relations, founding chairman of the Peterson Institute for International Economics, founding president of The Concord Coalition, and retired chairman of the Federal Reserve Bank of New York. He is also the founding chairman of the Peter G. Peterson Foundation. His most recent book, Running on Empty, was a national bestseller.

In a memorial service this week Caroline Kennedy, Bob Kerrey, Kofi Annan, and others gathered to celebrate the remarkable life of JFK speechwriter and adviser Theodore Sorensen. Here Bill Moyers, Adam Frankel, and Peter G. Peterson share their memories of the man—and his best jokes. Plus, read The Daily Beast's Mark Katz remembrance written just after his death last month.

In an excerpt from his new memoir, Nixon’s Commerce secretary shares the juicy details of an irritable president after his 1972 re-election—and how he fired everyone shortly thereafter.