In perspective, 30 years ago was 1983, and 50 years ago was 1963.
In April of 1983, April 4 First flight of the Space Shuttle Challenger. April 18 The U.S. Embassy bombing in Beirut which killed 63 people.
In April of 1963, April 7 Yugoslavia is proclaimed to be a socialist republic, and Josip Broz Tito is named President for Life. April 10 The U.S. nuclear submarine Thresher sinks 220 miles (350 km) east of Cape Cod; all 129 crewmen die.
Obama is thinking, "Damn, how can I pull that off?"