would-be republican rivals rick perry and mitt romney, including one comment that some see as disrespectful to the president. and we talk about terrorism as the world prepares to mark ten years since 9/11. the president says that kind of spectacular attack may not be the biggest threat right now. we want to welcome our viewers in the united states and around the world. breaking news, political headlines, and jeanne moos, all straight ahead. i m wolf blitzer. you re in the situation room. president obama on a bus tour through the united states midwest. he s been reaching out to rural voters. but he took some time today to sit down with me for a wide-ranging one-on-one interview. we talked about the political gridlock in washington, the field of republican challengers trying to oust him from the white house, and the terror threat a decade after 9/11. but we began with what may be the most pressing issue facing the country right now. here s part one of my interview with the pr