James Vowles has opened up on the ‘painful’ decision that Williams must make as it risks creating a ‘weakness’ in Grove, but it is not the team dropping Logan Sargeant. The 23-year-old seems increasingly likely to leave Williams when his contract expires at the end of the season. Sargeant has struggled to adapt to F1 over the past two years and Vowles is publicly courting a replacement. Williams long to have a driver who can match Alex Albon. Vowles has made public attempts to convince Carlos Sainz to join Williams ahead of the 29-year-old leavening Ferrari. He has even been open in wanting to…