While Congress was away for its August recess, several members of defense committees saw their reelection bids get significantly more competitive, and one key lawmaker was knocked out of the general election. Rep. Colleen Hanabusa (D-Hawaii), a House Armed Services Committee member and co-chair of the committee’s Asia Pacific rebalance oversight effort, lost her bid for Senate and therefore will not be returning to Congress in 2015. She was running in a special election to fill the seat of the…