WordPress is only 1 1/2 years old and some features yet to be rolled out. If anyone has found a work around I encourage them to post it.
The only thing I can think of is to place teaser sentence or two from the body of the post at the very beginning of the post, maybe in italics, and then insert a more tag and commence the article.
Here's an example of what I mean:
In 2006, spammers found new ways to evade sophisticated filters designed to keep spam to a minimum. The techniques include sending the dubious pitches as images instead of text to fool filters programmed to look for specific words.
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If you’re like most people who use e-mail, you’ve spent a lot more time lately deleting stock tips, cut-rate deals on pharmaceuticals, and sure-fire ways to enhance your mate’s pleasure. It’s estimated that spam accounts for nine out of 10 e-mails and costs the world economy about $50 billion a year in lost productivity, according to San Francisco-based Ferris Research.
In 2006, spammers found new ways to evade sophisticated filters designed to keep spam to a minimum. The techniques include sending the dubious pitches as images instead of text to fool filters programmed to look for specific words.