Boris Johnson was waging an all-out effort Sunday to be prime minister again hopeful for redemption and a coronation, soliciting support largely out of public view without formally announcing his candidacy. But, Johnson is dropping efforts to return to power, according to British media reports. His supporters claimed late Sunday that he has enough backers to stay in the race — he needs at least 100 Conservative members of parliament by 2 p.m. London time Monday. But only about 60 had declared for Johnson publicly compared to 150 for Rishi Sunak and 27 for Penny Mourdant. The former Conservative Party leader ousted in July failed to muster sufficient support to keep his bid alive. His decision makes former finance minister Sunak the clear frontrunner. This is a developing story and will be updated. Read more through the link in our bio.