US midterms: Pressure on Ted Cruz in Texas

A heavy voter turnout's being reported as Americans go to the polls for the mid-term elections. Democrats have high hopes of winning a majority in the House of Representatives, where all 435 seats are on the line. The battle for the Senate looks a lot closer, with Republicans confident they'll maintain their majority. One of the most high-profile Senate contests is in Texas. Democrats usually trail Republicans in Texas by double digits in the polls but the close contest between the incumbent, Republican Senator Ted Cruz, and the challenger, Democrat Beto O'Rourke, has opened everyone's wallets. Millions have been pledged to both candidates. Nick Harper is in Houston, Texas, keeping an eye on what's being billed as the most expensive Senate race in history.