How Boris Johnson became politically vulnerable:

When Boris Johnson won a landslide election victory for his Conservative Party in 2019, he loomed as a colossus over British politics, the man who had redrawn the country’s political map with a vow to “get Brexit done.”

With an 80-seat majority in Parliament, the greatest amassed by a Conservative leader since Margaret Thatcher in 1987, Johnson seemed assured of five years in power. Some analysts predicted a comfortable decade in No. 10 Downing St. for Johnson, the most reliable vote-getter in British politics.