send in troops to disarm pro-russian protesters. is ukraine on the brink of civil war? we have live, team coverage on the very latest. and three people murdered outside kansas jewish centers. a suspected white supremacist behind bars this hour. new details we're learning about this attack. welcome back to "early start." i'm christine romans. >> i'm victor blackwell. bottom of the hour now, and there is breaking news this morning from australia. officials have now admitted, a week after the last signal was received, they're not expecting to hear the black box pingers from flight 370 again. pulling out the ship with that pinger locator, and instead, they're putting on the final touches to preparations to launch an unmanned submarine, the bluefin-21, that can map the ocean floor about a dozen square miles at a time. so, it's literally walking here. but the search zone is this morning stretching some 18,000 square miles. overnight, crews reported finding an oil slick that could be connected to the plane. but whether it is or not will