How long can Boris Johnson cling to power?

Boris Johnson has survived a vote of confidence held by his own party. Conservative MPs voted Monday in a secret ballot by 211 to 148 to allow Johnson to remain party leader -- and, by extension, Prime Minister of the United Kingdom.

How long can Boris Johnson cling to power?
Boris Johnson has survived a vote of confidence held by his own party. Conservative MPs voted Monday in a secret ballot by 211 to 148 to allow Johnson to remain party leader -- and, by extension, Prime Minister of the United Kingdom.