Both of these headlines are from the Washington Post
Good Headline: ‘Al-Qaida sympathizer’ accused of NYC bomb plots; defense says he’s no conspirator
Very descriptive headline that gets straight to the point. I almost feel like I don't need to read the rest of the article with headlines like these.
Bad Headline: Peyton Manning to start at QB for Redskins in 2012
Note: This article has been altered since I found it a few days ago.
Blatant example of a misleading headline. The opinion article headline was followed by the phrase: "How's that for a headline? Got your attention, didn't it?" and explained that this was only a hypothetical situation and there are about eight different factors that need to fall in place in order for this to happen.