Terry Gross

Solomon Burke, the Grammy Award-winning singer who wrote the hit track "Everyone Needs Somebody to Love," died Sunday at 70. Fresh Air remembers the "King of Rock and Soul" with excerpts from a 1986 interview.

Abraham Lincoln always thought slavery was unjust — but struggled with what to do once slavery ended. Historian Eric Foner traces how Lincoln's thoughts about slavery — and freed slaves — mirrored America's own transformation in The Fiery Trial: Abraham Lincoln and American Slavery.

As campaign finance experts tell Fresh Air's Terry Gross, the Supreme Court's lifting of restrictions has led many interest groups to dramatically increase the number of ads they're airing.