Everyone in the world, including the people who browse the web and have the knack of seeing what is new, particularly in blog sites, would want to verify and be up to date with the latest happenings in their area and the world. News feeds through widgets is also a good way to help people verify posts that may be related to the latest news events, something that changes as each day passes.
Widget news feeds such as Meet the Press, Dateline NBC and Register News Feed are some of the possible widgets a person may consider placing on their site. Each would receive the feeds and help people get their desired update on the area of concern regarding world events.
News feed widgets are a good add-on. Ideally, most blog posts would have something to do with current events hence making people want to verify for themselves on reports and news flashes. Hence, why should a person have to navigate away from the page when they can access it through the available widgets present?