CNN: Franken implores activists at Netroots convention to fight

Las Vegas, Nevada (CNN) — Using some of his trademark humor and dire predictions, Minnesota Sen. Al Franken implored thousands of his fellow progressive activists Saturday to redouble their efforts to prevent the Democrats from losing control of Congress.

He jokingly called the Netroots Nation convention of bloggers, leaders and others "the most exciting political gathering of the year without guns."

On a serious note, he said, he shared many of the frustrations of those in the audience about a...