Longer than... 140 characters? What are you actually asking for? Be specific. NYT writes long articles. New Yorker. Christian Science Monitor. What do you want?
<a href="http://glance.wtf" rel="nofollow">http://glance.wtf</a><p>Not quite what you're after, but a curated, speed-readable list of good reads.
someone recommended this: Its kinda like a kick starter for writers. Though in the end its a subscription thing.<p><a href="http://www.beaconreader.com/" rel="nofollow">http://www.beaconreader.com/</a>
The New York Times. There articles are quite in-depth.<p>Try paying for it, or it will go away someday.<p>Or read my own essays:<p><a href="http://www.warplife.com/mdc/essays/" rel="nofollow">http://www.warplife.com/mdc/essays/</a>
<a href="http://www.warplife.com/mdc/books/" rel="nofollow">http://www.warplife.com/mdc/books/</a>
<a href="http://www.warplife.com/jonathan-swift/" rel="nofollow">http://www.warplife.com/jonathan-swift/</a>
<a href="http://www.warplife.com/tips/" rel="nofollow">http://www.warplife.com/tips/</a>