The US supreme court has issued a landmark ruling that will change the way US election campaigns are financed.

By a 5 to 4 vote, the court lifted long-standing limits on corporate spending in political campaigns, opening the door for private entities to flood the political marketplace with corporate money.

Al Jazeera's John Terrett explains why it is likely to have an immediate effect on the upcoming congressional elections in November.

January 20th, 2010

Source: Al Jazeera