Defense Secretary Robert Gates, who has been on the job for about a month, told Congress today he has not yet determined whether the Pentagon is too focused on buying large systems tailored for the Cold War. His comments came in response to a question from Sen. Joseph Lieberman (I-CT) at a Senate Armed Services Committee hearing on the fiscal year 2008 defense budget and related supplemental spending requests. Lieberman asked Gates whether the Pentagon had "squeezed" its budget to...