The Libertarian nominee could spell trouble for McCain if Ron Paul backers defect from the GOP.
The Pentagon hopes better ties will strengthen NATO and boost the mission in Afghanistan.
He criticized both parties and wants new pacts with Russia and China.
Recent events suggest both Tehran and Washington may be willing to engage in dialogue.
Readers write about the farm bill, the dollar's power, and whale-inspired technology.
Amid democratic recession, the US must rethink its freedom agenda.