>> good morning. i'm erin mcpike in washington. "state of the union" with candy crowley begins in one minute. first our top stories. a vietnamese aircraft's spotted oil slicks. search boats have been deployed to the yair. malaysian military officials say radar data indicates the plane turned around before vanishing. because of that, they're asking crews to expand the search area. ukraine's interim prime minister flies to the u.s. this week to meet with president obama just a few days before crimea votes on if it will become a part of russia. the prime minister has called it an illegitimate decision. and today russian presidenten vladimir putin discussed that upcoming vote in separate phone calls to british prime minister david cameron and german chancellor angela merkel.