The dispute over Iran’s controversial nuclear program has reached crisis point. Despite increasing foreign sanctions in recent months, Tehran is continuing its nuclear work, refusing to cooperate, and has indeed tripled its monthly production of higher-grade enriched uranium.

The Venezuelan opposition must begin to prepare for a future without Hugo Chávez. The same is true for the U.S.government, which has been all but ignoring Venezuela for the last five years.

Free-lunch myths should not distract us from the challenge at hand. The fiscal imbalance must be addressed through a bipartisan agreement that includes broad tax increases and entitlement cuts.

U.S. policymakers must kick-start a Latin America policy to be prepared to clean up the toxic waste left by 14 years of Chávez's anti-American activism.

Looking back over the decade, the first clear lesson is the critical importance of Mr. Bush's decision to consider the struggle with al Qaeda a war.

Timothy Geithner will go to great lengths to avoid missing a payment of interest or principal on the debt. But, to honor that constitutional precedent, he may have to break (or, more charitably, to interpret generously) some laws.

Doctors treating Venezuelan leader Hugo Chávez for cancer told him weeks ago that he has only a 50 percent chance of living another 18 months. Members of Chávez's inner circle are scrambling now to ensure a succession of power to the leader's older brother, Adán.

John Boehner and Eric Cantor want to see Congress approve or disapprove major agency resolutions. Democrats will offer a grab bag of excuses for why this should not be done.