Memorial Day, Star Trek and President Obama topped Nielsen’s monthly index of most blogged news stories for May 2009, according to the just released top 10 most-blogged topics report.
Conversations about Memorial Day ranged from the hottest retail sales during the holiday to plans for the weekend. So what were bloggers doing? Maybe they were at the movies. Two of the top 10 topics in May were the new movie releases, Star Trek and Terminator Salvation.

Political figures were also widely discussed in May, with Barack Obama being the No. 3 most …