Donald Trump’s Worst Week

Michigan Congressman Justin Amash made it all seem so simple. He read the Mueller Report, with its detailed description of a pattern of obstruction of justice, and concluded that the President should be impeached. If his colleagues disagreed, Amash tweeted, it could only be because they never bothered to read the report.

Amash was elected to Congress during the Tea Party wave election in 2010 and was a founding member of the House Freedom Caucus. He and his colleagues boasted of their old-school values — believing in balanced budgets, law and order, and personal responsibility — and…