WASHINGTON (AP) — When the House Select Committee on Benghazi holds its first public hearing in nearly 10 months, the spotlight will focus on a sole witness — Hillary Rodham Clinton, former first lady and senator, secretary of state and presidential contender. [...] the panel's 12 members — seven Republicans and five Democrats — also will draw scrutiny, especially with complaints from Democrats and some Republicans that the investigation is a partisan-driven effort to undermine the Democratic front-runner. Democrats — some of whom have called for disbanding the panel — will be expected to try and protect Clinton and the Obama administration's record. Republicans have raised questions about thousands of emails that she has deleted on grounds that they were private in nature, as well as other messages that have surfaced independently of Clinton and the State Department. A former Bush administration appointee who served six years as U.S.