Independent: The force of nature known as Sarah Palin was back at work inside America’s living rooms yesterday, attempting to wreak havoc with Barack Obama’s hopes. In the space of a fortnight, she has transformed the national conversation from the urban and economic issues favoured by Mr Obama to the mythical values attributed to smalltown America. As the public’s fascination with the 44-year-old Alaskan Governor grows by the day, she even eclipsed media coverage of the Republican …