title: //h1[@class="sl-art-head-dek"]
body: //article//div[@class='sl-art-body']/div[contains(@class, 'body')]
strip: //div[@class="department_kicker"]
strip: //div[@id="insider_ad_wrapper" or @id="insider_ad_inner"]
strip: //div[@id="bottom_sponsored_links"]
strip: //div[@class="sl-art-ad-midflex"]
#strip: //dl
#strip: //p[em/a[contains(@href, 'facebook.com')]]
prune: no

author: //div[@id='author_bio']//a[contains(@href, '/author/')]
author: //a[contains(@href, '/authors.')]

date: substring-before(substring-after(//span[@class='sl-art-byline'], 'Posted '), ', at ')

single_page_link: //a[@class='sl-art-sinpage']

test_url: http://www.slate.com/id/2274583/pagenum/all/
test_url: http://www.slate.com/id/2293116/