Jared Kushner's rise as the president's right-hand man shows that Trumpism isn't a coherent ideology. It's a personality cult.

Trump's executive order will all but ensure America fails to meet its goals under the international agreement to fight climate change.

Bannonism will remain integral to Trumpism no matter what happens to Steve Bannon himself.

The latest right-wing lie is even crazier than the supposed global warming "hoax." But it's gaining influence in the Trump administration.

Ignoring the president's Twitter tantrums won't make them go away. His words have real-life consequences, no matter how he delivers them.

Denying the poor, huddled masses entry into the country has formed the basis of federal immigration acts since their inception.

China is now closer to the international norm on issues like trade, climate change, and Israel-Palestine. Is this the end of American dominance?

And it could have disastrous consequences with Russia and China.

His emerging foreign policy would divide the planet along racial lines.

The old Cold War rivals could team up against emerging powers.

His lies are a problem, but his belligerence is worse: It could start a war.

Exxon Mobil CEO Rex Tillerson could serve as a check on hawkishness.

His Taiwan call and other moves signal a shift from multilateral alliances to bilateral dealmaking. And it could destabilize the world.

This is the third consecutive year that global CO2 emissions did not increase, but Donald Trump’s vow to pull the US out of the Paris Climate Agreement could change that.