Latest Stories By Jon Greenberg

President Donald Trump tweeted about a "Never Trumper" witness in the impeachment inquiry. He was talking about Lt. Col. Vindman, and there's no evidence he opposes Trump.

Elizabeth Warren has over 50 plans. We added up their costs, and how she plans to cover them.

White House acting chief of staff Mick Mulvaney said Ukraine aid hinged, in part, on seeking the DNC server. Then he said he didn't say that. Read what he said in his own words.

Elizabeth Warren and Andrew Yang sparred over which does more damage to jobs –– trade or technology? The latest studies point to trade, but the real answer is the two factors are hard to separate, and for workers, caught short the real, real answer is having options to adapt to new demands.

Prescription painkillers launched an opioid addiction crisis. That problem remains as the death toll from more deadly street drugs rises.

The top White House lawyer argues that the House has denied Donald Trump his legal due process rights. Constitutional scholars say that's wrong.

Our reporters investigated questions from readers about the House impeachment inquiry into President Donald Trump, as well as Joe and Hunter Biden and the whistleblower who set the investigation into motion. ​

The one and only time the Senate had a chance to deliver a clear ruling, it didn't.

We fact-checked multiple falsehoods by President Donald Trump during an Oct. 2 press conference in which he spoke about his phone call with the president of Ukraine.

What happened in Ukraine didn't stay in Ukraine. Nothing is inevitable, but we trace how the past two decades set the table for the president's phone call with Ukraine that led to an impeachment inquiry.

Medicare for All, Sen. Bernie Sanders' signature single-payer health care plan, dominated the start of the Democratic debate in Houston. Here's what we know about the cost and who will cover it.

Joe Biden and Elizabeth Warren take to the debate stage for the first time. Here's where the two Democrats part ways.