In an unseasonable black bomber jacket, with heavy duty company beside him, David Sullivan took his seat. Against the advice of the stadium’s operators, unbowed by serious allegations placed against his name and the weight of public opinion, West Ham’s major shareholder, the former co-chair, sat with arms crossed, always conspicuous by his presence. By beating Portsmouth in relative comfort, 3-1, West Ham, the club where Sullivan’s name is no longer above the door, had secured a heartening Cara…