On today’s show: we’ll look at the Senate of the 1960s and 1970s, which gave us the Civil Rights Act, Great Society legislation, and battled with the executive branch over abuses of power. William H. Gass talks about his latest collection of essays. Today’s installment of A History of the World in 100 Objects is all about a stone fragment from a pillar erected by the Indian Emperor Askoka. Deborah Feldman talks about her experience in the Satmar Hasidic community. Historian Robert Kagan, who has the ears of both Mitt Romney and Barack Obama, tells what he thinks the world would look like if America’s role in it were diminished.