By John Wollenberg, JD, CPA, and Leonard C. Green, CPA, MBA Editor's Note: Chris McGrath's popular TDN series "Succession" about horse racing-industry businesses passed from one generation to the next sparked this column by Len Green and John Wollenberg. The odds are frightening that only 50% of family businesses that are successful are passed to the second generation. Only 10% are successfully passed on to the third generation. There are many reasons for this and volumes of material have been written on this subject. But few provide you with the...