Terry Gross

Science writer Timothy Ferris. He's the author of the bestseller "Coming of Age in the Milky Way." His new book is "The Whole Shebang: A State-of-the Universe(s) Report" (Simon & Schuster). Ferris is an emeritus professor at the University of California, Berkeley.

Journalist Stan Sesser. He is a former staff writer for the New Yorker and the senior fellow of the Human Rights Center at the University of California at Berkeley. Sesser has been following the events leading up to today's takeover of the British-ruled Hong Kong by the Chinese government.

Esterita "Cissie" Blumberg writes a monthly column for the Catskill/Hudson Jewish Star. She grew up in a hotel in the Catskills, and later owned and operated it with her husband. Her new book is "Remember the Catskills: Tales by a Recovering Hotelkeeper" (Purple Mountain Press)