Some of the more interesting and important items for April 4th :

• Southwest 737 cracks may be a wider problem – MarketWatch – NEW YORK (MarketWatch) — Southwest Airlines Co. may just be the first of many carriers to undergo an inspection of its Boeing 737-300 fleet, after part of the skin from one of the airline’s jets ripped away at 36,000 feet last week.
• Forecasts for U.S. economic growth cut again Economic Report – MarketWatch – Battered by poor weather and surging gas prices, the U.S. economy likely grew slower in the first three months of 2011 compared to the end of 2010, according to revised estimates of forecasters. Over the past few days more than a dozen forecasters have chopped estimates for the first quarter. As a result, the MarketWatch survey of economists now puts the projected rate of growth at 2.4%, down from 2.8% just a week earlier and from 3.5% when the quarter began.
• Court Tosses Out ‘Net Neutrality’ Suits – WSJ.com – WASHINGTON—A federal appeals court tossed out lawsuits filed by two phone companies challenging the Federal Communications Commission's new "net neutrality" rules, saying that the suits were premature.
• Federal Grand Jury Investigating Apps, Pandora Says – WSJ.com – Federal prosecutors in New Jersey are investigating whether smartphone applications illegally obtained or transmitted information about their users without proper disclosures, according to a person familiar with the matter.
• Saudi Arabia Looks to Solar, Nuclear Power to Reduce Its Oil Use by Half – Bloomberg – The country expects domestic power demand to triple over the next two decades and wants to develop a more sustainable mixture of energy sources, Khalid Al Sulaiman, vice president for renewable energy at King Abdullah City for Atomic and Renewable Energy, said at a conference in Riyadh today. King Abdullah City is the agency in charge of developing green energy.