Left-leaning political bloggers are determined to demonstrate their real world influence in the upcoming mid-term elections. But will they finally make political headway, or just more hype? NOW visits a major political blogging convention and examines the candidacy of surprising U.S. Senate primary winner John Tester to find out. Bloggers both in his home state of Montana and outside of it have taken some credit for Tester's success. "You have a couple million people reading liberal blogs...and they're looking for ways to get involved. And they're looking for ways to participate and take hold of their own democracy. And that is powerful," says Markos Moulitsas, founder of one of the Internet's most popular blogs, to NOW. NOW meets the real people behind some of the Internet's most opinionated and widely-read liberal blogs to find out if they can really move the political needle.