With just a few weeks to go before the midterm elections, most polls are showing the GOP gaining a narrow majority in the U.S. Senate. Can the Democrats hold on? Meanwhile, the Ebola crisis is emerging as a major campaign issue. Forum discusses the national races to watch, the latest polls and the key issues in this campaign season.
Midterm Preview: Will the GOP Take Control of the Senate?
Lisa Lerer, White House reporter for Bloomberg News
Chris LeHane, Democratic consultant and partner at Fabiani and LeHane; former aide to the Clinton White House
Byron York, chief political correspondent for the Washington Examiner and author of "The Vast Left Wing Conspiracy"