Berlin Wall erected 50 years ago, August 13, 1961 Historian Nick Hayes describes the events that led up to the Soviet and East German governments' decision to build the wall diving East and West Germany, as well as the city of Berlin. The Wall came down November 9, 1989.11:00 a.m.
Nick Hayes: Professor of History and holds the University Chair in Critical Thinking at St. John's University in Collegeville, Minn.
Humorist Roy Blount Jr.'s ode to the English language Author and humorist Roy Blount Jr. is a regular panelist on NPR's Wait Wait Don't Tell Me. He speaks at the Hennepin County Library's Talk of the Stacks series about his new book, "Alphabetter Juice: or the Joy of Text." It's a witty take on the English language, looking at the connection between sounds and meaning, and the sometimes funny origins of words.12:00 p.m.