Europe Still Gripped by Winter Travel Chaos

Pakistan tests a nuclear capable missile in a launch that it says demonstrates its defence capabilities.

Iraqi Lawmakers Approve New Government

South Korea says it will go ahead with large-scale military exercises near North Korea.

Recent disrupted terrorist plots involving U.S. citizens and legal residents in Washington, D.C., Portland, Oregon, and Baltimore, Maryland highlight domestic radicalization as a growing problem in need of a more effective approach.

The nuclear reduction treaty between the U.S. and Russia gains new momentum as key Republican senators announce support for the pact. Sarah Irwin reports.

Gibbs: START Treaty Will Stand Up to Critics

Senator Blasts Negotiation of Arms Treaty

Sen. John Barrasso explains his opposition to nuclear arms treaty.

President Obama moved a step closer to a major foreign policy victory Tuesday as the Senate cleared the way for ratifying the START nuclear treaty with Russia.

South Korea's government and citizens say perceptions have changed about North Korea.

Analyst Reva Bhalla uses the Mexican drug cartel war to examine the differences between an organized criminal group and a terrorist organization.

Military leaders are reportedly asking for a greater presence in the country.