It might be easier — and quicker — to list who is not considering a run to succeed Boris Johnson as Conservative Party leader and thus the 56th and next prime minister of Great Britain.
A slew of candidates, both favorites and dark horses, emerged in the hours after a scandal-plagued Mr. Johnson bowed to the inevitable Thursday and announced he was stepping down as prime minister. That so many appear ready to throw their hat into the ring suggests the race is wide open, British political watchers said, with no clear favorite and no outsized personality like Mr.