Chuck Hagel, a Vietnam war veteran and former US senator from the state of Nebraska, has been nominated as President Barack Obama's next defence secretary.<br /><br />On Thursday, he is going to be questioned at a senate confirmation hearing.<br /><br />But Hagel has already faced a lot of questions, mostly from his fellow Republicans, over his fitness for the job.<br /><br />Al Jazeera's Rosiland Jordan reports from Washington, DC.
