submarines, coordinating the air defenses, the complicated communications between the ground, the air, the sea. it's complicated stuff. the u.s. is going to be playing a central role until this ends. bill: if we go back, you wonder whether or not they have the ability to coordinate. it's been a massive scale the past few days. dan, thank you, we'll be in touch, okay? >> thank you. bill: people are writing in, writing to figure out who the rebels are. martha: when you ask the question, training rebels, you're in a whole different ballgame in that accident scenao scenario. in the meantime there's a group of libyans lowly to gadhafi, blocking the task of ban ki-moon today. take a look. >> [chanting] >> that was the scene, the u.n. leader in egypt for talks with the arab league, trying to hold that together when dozens of protestors converged on his security detail, the demonstrators