President-elect strikes tone of fiscal prudence by appointing efficiency officer.
But defenders of Panetta say he could bring valuable management skills to the job.
Readers write about extracting oil from shale and tar sands, the challenges Obama will face in Afghanistan, and how Hamas impedes the possibility of peace with Israel.
Home builders want the dead trees, but activists and regulations stand in the way.
Obama's stimulus plan may strive to prevent layoffs of public-sector workers in states, cities.