david makovsky is a former journalist and is now the dictor of the project on t middle east peace process at the washington institute for near east poly. he's in tel aviv tonight. and mark perry is a contributing editor to the "americanva consve" magazine. he's the author of "talking to terrorists: why america must engage with its enemies." gentlemen, thank you both tor being heright. mark, let me start with you. we heard in the taped piece juse re this, the israelis were presenting this as a defensive asure. the prime minister says iran crossed a red line by establishing military infrastructure in syria. is that the way you see it? >> not really. i think this isa a dngerous escalation. israel ha 27f-16s in the air over syria hitting iranian military targets. mr. netanyahu says it was a red line but thean irahave been in syria for a reasoning time and have had a relationship ahere. this iangerous escalation. it's hard to know where it will end. it's been quiet today butno there'romise it will remain quiet into tomorrow. i thk mr. netanyahu owes th world an explanation of what he's doing a