Among them: reporter-author Ronan Farrow, former New Jersey governor Chris Christie, and football coach Tony Dungy.
Speakers Lisa Genova and Annie Leibovitz will now appear in the series this fall.
The PBS NewsHour correspondent will lead the discussion with Ambassador Wendy R. Sherman.
A Peek Inside Her Life
Wentworth's newest book offers "half-baked advice" from her own mistakes.
The historian spoke Monday in the Ringling College Library Association series.
Author Wes Moore was the latest in this year's lineup of Ringling College Town Hall lecturers.