And an irregular air force takes to the sky to help houston recover from the disaster. This is the cbs evening news. Quijano good evening. Im elaine quijano. This is our western edition. As america celebrates the labor day holiday, there is talk of war. At the United Nations today, Ambassador Nikki Haley said the United States does not want war, but north koreas president is begging for it. After kim jonguns most powerful nuclear test yet, haley warned there are limits to americas patience. She pressed the Security Council for more sanctions against the rogue nation and south korea put on a show of military muscle. Where is all this headed . We have reports from the pentagon, the white house, and seoul. First National Security correspondent david martin. Reporter look at the warhead north korea showed off over the weekend, calling it a thermoNuclear Weapon with great destructive power. Then look at the size and shape of a u. S. Thermonuclear warhead, and you will understand why Nuclear