Unprecedented effort of this coalition, i think we have an opportunity to send a clear message that the world is united. President obama minutes away from making his case to the world. Good morning and welcome to our International Viewers joining us. Im Carol Costello in new york. And im wolf blitzer. The president makes an important speech in an hour. Make no mistake, he will be speaking to the entire world. Thats most definitely true. The cost of the u. S. Led offensive carries a deeper sense of danger. Washington issues a warning to Law Enforcement agencies from coast to coast. Be on the lookout for a possible backlash including homegrown terrorists. This as a senior isis leader calls on strikes on the United States. The u. S. And arab partners launched new strikes on isis targets in syria. They struck an isis staging n r area. Inside iraq they hit an isis fighting position near irbil. Outside baghdad, armed vehicles and a weapons kash with targets. President obama will try to convi