Max Verstappen is on course to leapfrog Ayrton Senna by winning his fourth world championship this year. At the halfway stage of the season, he leads Lando Norris by 84 points. Since Formula 1 adopted its current points system in 2010, no driver has come back from a margin larger than 46. That was Verstappen himself, who rallied to defeat Charles Leclerc in 2022. The Dutchman is poised to become just the fifth driver in F1 history to win four straight titles. Juan Manuel-Fangio (1954-57), Sebastian Vettel (2010-13) and Lewis Hamilton (2017-20) achieved that feat, while Michael Schumacher (2000…