Steve Case, whose career began with his co-founding of America Online in 1985, when only three percent of Americans were in fact online, appears in conversation with New York Times/ CNBC business journalist Andrew Ross Sorkin. Case’s new book, “The Third Wave,” is a look behind riveting business decisions of our time, informed by his decades of working as an entrepreneur, investor, philanthropist, and advocate for bipartisan public policies. 92nd Street Y, Buttenwieser Hall, 1395 Lexington Ave. Apr. 6, 7:30 p.m. Tickets are $32-$36, $15 for those 35 and under at 92y.org.