'Joe Wilson' still Twitter trending topic

Five days after his outburst during President Obama's address made headlines, Rep. Joe Wilson (R-S.C.) remains a trending topic on Twitter, showing the sticking power of his outburst last Wednesday.

'Joe Wilson' is the tenth-ranked trending topic on the microblogging site on Monday. Trending topics track the ten most popular topics of conversation on Twitter. The topics usually change by hour and day.

Just about an hour after Wilson shouted "you lie!" at the president, his name became Twitter's top topic.

Wilson shouted his comment after President Obama said that his health reform plan will not cover illegal immigrants.