focused, and for us to ahave a chance to advance tomorrow that has to be the mindset of our group. we know exactly what iran is going to bring. >> reporter: gregg berhalter asking his team, reminding them not to make the mistakes of the past. meanwhile, a source close to security with the tournament have told cnn that members of the iranian team's family have been issued with threats of imprisonment, even torture, if their players fail to, quote, behave of this match. they have kaultsds called for the politics to be put aside. >> when the whistle blows it will be about the football. coming up next a major storm system set to bring heavy snow to 13 states. a risk of tornados as well in the southeast.