an even greater and clearer national security challenge to more of our allies than the situation in libya yeah was. given the fact there was a nuclear plant that the north koreans that the airs had to take out and collusion on resign and other types things collusion with iran but it s careful language meant to send a signal. i think at this point. tough people like assad is not susceptible to signals. they need to see that we have the power and will to move in decisive way. gregg: one wonders what it would do to assad. steven yates, thanks very much. heather: back to this, a dangerous heat wave gripping much of the country from the midwest to the east coast. city officials warning people to take this weather seriously.