In a three-part series for the Wisconsin Center for Investigative Journalism, Kate Golden and Amy Karon used the state’s open records law to receive Gov. Scott Walker’s official calendars.

"To analyze how Walker has used his time as the state’s chief executive, WCIJ reporters created a database of the more than 4,400 entries in Walker’s calendars from his first 13 months in office, through Jan. 31, 2012."

"An Asbury Park Press investigation has exposed how Lakewood, New Jersey school officials slashed the high school’s graduation rate to win a $6 million federal grant, lied to parents of special education students to save money, spend millions of dollars busing school children to religious and otherwise private schools, and showed how a lawyer made millions from one of the poorest districts in New Jersey. Federal and state officials are now investigating."

A Chicago Tribune investigation has found that the flame retardants that are packed into couches, chairs and many other products are not working as promised. Furthermore, two powerful industries--Big Tobacco and chemical manufacturers have waged a deceptive campaign that led to the proliferation of these chemicals.

Sam Roe, Patricia Callahan and Michael Hawthorne utilized DocumentCloud to provide proof of the deception and its' widespread effect.

"Thousands of vacant homes across South Florida have deteriorated into eyesores that violate local health and safety laws, depress property values and spread blight. The owners of these homes: some of the world's biggest banks."

"In an extensive investigation of foreclosed homes plaguing neighborhoods, the Sun Sentinel found more than 10,300 property code violations lodged against banks in 10 South Florida cities since 2007."

Duff Wilson and Janet Roberts, for Reuters, report on "how food and beverage companies have dominated policymaking in Washington by doubling their lobbying expenditures during the past three years and defeating government proposals aimed at changing the nation’s diet."

Reuters Investigates TV also produced a video about "how the food industry fought back when the White House sought healthier school lunches and Congress directed federal agencies to set nutrition standards."

"An investigation by The Washington Post has found that Justice Department officials have known for years that flawed forensic work might have led to the convictions of potentially innocent people, but prosecutors failed to notify defendants or their attorneys even in many cases they knew were troubled."

With the release of the 1940 census on April 2, The Orange County Register looks at how remarkably different Orange County, California was 72 years ago.

Ron Campbell put together a package that includes interviews with participants in the 1940 census, video, family photos, then and now, historic photos, a how-to-guide to researching the 1940 census and a chart comparing Orange County population in 1940 and in 2010.

"Sales of the nation's two most popular prescription painkillers, oxycodone and hydrocodone, have exploded in the US in the last decade, according to an Associated Press analysis provided by the Drug Enforcement Administration."

Use the interactive map to see how much painkiller sales have increased in your state.

The Seattle Times takes a look, in a four-part series, at how Amazon.com, "one of the Internet's most-recognized name brands" compares to other big companies in the Seattle area when it comes to local charitable givings.

"Last year, amid a troubled economy, United Way of King County said it received record donations from some of the area's largest companies.
Microsoft made a corporate donation of $4 million. Boeing gave $3.1 million. Nordstrom, nearly $320,000. And Amazon.com? Zero."