I don't have a citation for this, but I read recently that BBC News articles always lead with a concise one-sentence summary rather than something that trails to ellipses... supposedly the original reason was to fit the text within the fixed width of their CeeFax (Teletext) news pages. The result is that their RSS feeds are still rather concisely descriptive.
[1] http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/world/rss...