Impeachment: The process and history You're about to get a preview of a premium Guide. Guides are a feature of the Skim App that make it easier to go down a rabbit hole on the biggest issues in your news feed. They go beyond what you see in the Daily Skim to give you the history and context of everything from climate change to artificial intelligence to the rising cost of college. Plus, they include exclusive audio stories just for app subscribers. The Story President Trump is now the fourth president in US history to face an impeachment inquiry. Back up. What are the grounds for impeachment? The Constitution says presidents can be impeached for “treason, bribery, or other high crimes and misdemeanors.” The definition on that last part is up for some debate, so Congress gets to play Merriam-Webster. So how does impeachment work? Historically, the House Judiciary Committee has investigated and recommended articles of impeachment.