Barack Obama was elected in November 2008 and many people thought he'd change his country and the world.

This big election is called the midterms and happens halfway through the president's time in office. 

US President Barack Obama's job is set to get a lot harder, after his party lost lots of votes in a big election.

A lot of power has been lost from his party, the Democrats, to their rivals the Republican Party.

President Obama will stay in charge of the country, but the results mean he is going to find it tougher to get things done and make new laws.

To know more about President Obama go there.