By Martyn Herman ST ALBANS, England, June 10 (Reuters) - South African Charl Schwartzel and compatriot Hennie Du Plessis led the chase for the record $4 million winners' cheque after round two of the opening LIV Invitational event on Friday. Schwartzel, who led after Thursday's opening round, produced another dazzling round to stay top of the leaderboard by three strokes from Du Plessis. The 37-year-old...
