title: //h2[@class='posttitle']
date: substring-before(substring-after(//span[@class='postdate'], 'on '), ' by')
date: //span[@class='postdate']
author: //span[@class='postdate']/a
body: //div[@class='entry line_top']
test_url: http://videogum.com/395042/here-are-some-afternoon-links-92/list/