News of another FBI review of Democratic presidential nominee Hillary Clinton's emails may not change the outcome of the election. But it could poison a Clinton presidency.

The Supreme Court vacancy caused by the death of Antonin Scalia puts social issues at the heart of the U.S. presidential campaign.

The Iowa caucuses might have been called the Iowa carcasses. Both parties saw a race between body parts: the head versus the heart.

The Republican race is being shaped by conservative rage at Obama. The Democratic race by liberal wariness of Clintonism.

U.S. public opinion on guns seems to be going in the same direction as it did on same-sex marriage — a compete reversal.

Donald Trump's style — bombastic, bullying, crude and insulting — has long been influential in the Republican Party. Now it's taking over.

Hillary Clinton should come out against the TPP trade agreement to protect herself politically, and then hope it passes.