Spirit Airlines shuts down after White House rescue deal falls through The Washington PostSpirit Airlines canceled all flights and is going out of business CNNSpirit's CEO on the Airline's Last Days WSJWhat will a Spirit Airlines shutdown mean for travelers? CBS News
Warren Buffett asked Tim Cook to take a bow in a surprise speech at Berkshire meeting Business InsiderBuffett: I didn't have to do a damn thing to make money from Apple The TimesBuffett praises Tim Cook's leadership at Apple Breakingthenews.net
