An earlier version of this article stated that the passage of the medical marijuana referendum in Montana expanded the use of marijuana as a medicine. In fact, the referendum approved by voters confirms restrictions on medical marijuana.
A previous version of this slideshow included a picture of a bridge for Pennsylvania that is not located in that state.
An earlier version of this story misstated the "fiscal cliff" as a combination of tax cuts and spending hikes.
An earlier version of this story misstated the proportion of Paulson Advantage fund participants who were invested in those funds through gold shares.
An earlier version of this story said that a MetLife Mature Market Institute survey estimated that almost half of all baby boomers were retired. In fact, it is almost half of all boomers who are 65 and older.
The X-ray machines are not in use at Dallas-Fort Worth, Denver, Hartsfield-Jackson Atlanta, Las Vegas and San Francisco airports. A prior version of this story incorrectly stated they did.
An earlier version of this story said Microsoft beat expectations. In fact, based on the numbers analysts look at with Microsoft, the GAAP numbers, the results missed expectations.
An earlier version of this story suggested that Alabama A&M University and the College of Mount St. Joseph held the highest average debt. This has been changed to reflect that both schools are among those with the highest average debt.
An earlier version of this story stated that Ohio's auto industry added 51,100 jobs since 2010. The industry actually added 17,000 jobs and by extension the state's manufacturing base added 51,100 jobs.
In an earlier version, the story gave the wrong day for the Oct. 22 presidential debate. It is a Monday, not a Wednesday.