Copy Edit the World

I caught an error in tense in the following paragraph of an AP story: "From the Picassos that graced his walls to historic artifacts and hundreds of sculptures, the artwork that inspired late fashion designer Yves Saint Laurent went on display Saturday, three days before it is auctioned."

The last line should read, "three days before it was to be auctioned."
http://news.yahoo.com/s/ap/20090221/ap_en_ot/eu_france_saint_laurent_auction;_ylt=Asw6F4rlB2nhZ.vJS9cVUspxFb8C
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I found an inconsistency in hyphenation in an article between the title and the in-text reference. The title reads, "One-time boyfriend gets 36 years to life for murder" while the text of the article reads "About 30 relatives of Harrison's victim, Laura Yvonne Steward, attended the sentencing in which Superior Court Judge Michael T. Garcia imposed a 36 years-to-life term."
http://www.mercurynews.com/breakingnews/ci_11755992
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I found an error relating to plural usage in an AP article: "Off-the-shoulder dress soar in popularity" should read "Off-the-shoulder dresses soar in popularity" or even "Off-the-shoulder dress soars in popularity".
http://www.mercurynews.com/lifeandstyleheadlines/ci_11750835
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Someone put an incorrect apostrophe in "DVDs" in this AP article: "Bootleg DVD's of Slumdog, which have been selling fast in more prosperous areas, have not made their way through Nehru Nagar's tightly packed lanes of single-room homes and fly-covered garbage dumps."
http://www.mercurynews.com/ci_11537123?IADID=Search-www.mercurynews.com-www.mercurynews.com
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Mercury News also had a misspelling of the word "calendar" in the following: "The calender says winter is almost here and it feels like it."
http://www.mercurynews.com/ci_11238045?IADID=Search-www.mercurynews.com-www.mercurynews.com