Well maybe my answer arrives too late.
Code:
class Real_world_economics_review(BasicNewsRecipe):
title = u'Real-world economies review blog'
oldest_article = 7
max_articles_per_feed = 100
no_stylesheets = True
keep_only_tags = dict(name='div', attrs={'id':'main'})
remove_tags = [dict(name='div', attrs={'id':'postpath'}),
dict(name='div', attrs={'class':'robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing'}),
dict(name='div', attrs={'class':'sharedaddy sd-sharing-enabled'})
]
feeds = [(u'Real-World Economics Review Blog', u'http://rwer.wordpress.com/feed/')]