Haiti earthquake. BP oil spill. Healthcare reform. Japan earthquake. Egyptian and Libyan conflict.  Osama bin Laden killed by US Navy Seals. Steve Jobs, Apple Chief Executive and Co-Founder, dies. Prince William marries Kate Middleton. Deadly tornadoes. Space shuttle Atlantis flies final mission. US credit rating falls. “Occupy Wall Street” movements. Abuse Scandal at Penn State. Vikings get a stadium deal. Malaysian Flight 370. South Korean ferry disaster. Ebola outbreak. ISIS/ISIL. Russia/Ukraine conflict.