Andrew Bridgen has become the latest MP in the Commons to lose the whip after he compared the roll-out of COVID vaccines to the Holocaust. But what does it mean to "lose the whip" when you are a politician? And who else has faced the same fate in this Parliament? What does it mean? Losing the whip is one of the strongest punishments a political party can dole out to its MPs. The move essentially expels the member from their party, meaning that while they can remain on the green benches, they have to sit as an independent MP. The...