Outcome of Republican Primaries Key for Control of Congress

Republicans in a number of U.S. states head to the polls in coming weeks to vote in primary elections to pick the party's candidate for November's midterm elections. The primaries in some of these states are seen as a test of the conservative Tea Party movement. As VOA’s Kane Farabaugh reports from Bowling Green, Kentucky, waning enthusiasm for some of the Tea Party candidates could affect the outcome of these races.