Revamping the U.S. Postal Service could help solve long-standing problems with validating identities in the digital realm and make email a true substitute for physical mail.

The international military presence in Afghanistan has shrunk dramatically, and even with a slower pace of troop withdrawal, the country's security situation has already worsened. Iraq's chaos provid…

As Zimbabwe moves closer to elections, the prospect for political violence, even civil war, grows. President Robert Mugabe's Zimbabwe African National Union-Patriotic Front (ZANU-PF) and Prime Minist…

The United States needs to develop a comprehensive strategy for the Arctic. Melting sea ice is generating an emerging Arctic economy. Nations bordering the Arctic are drilling for oil and gas, and mi…