Contents Unit 1 From Competence to Commitment Unit 2 Family Business:the Next Generation Unit 3 An American love Affair Unit 4 The No-child Family:Going Against 100,000 Years of Biology Unit 5 Sandwich Generation Unit 6 Getting Along with Nature Unit 7 The Virtues of Ambition Unit 8 The Harm that Good Men Do Unit 9 Let the Computers Be the Bureaucrats Unit 10 Animal Research Is Vital to Medicine Unit 11 Should English Be the Law? Unit 12 Rich North,Hungry South