Reuters: General Motors Corp and Chrysler LLC must show in their turnaround plans next week that they are willing to “make the tough decisions” on debt restructuring, fuel efficiency and other issues, U.S. House Speaker Nancy Pelosi said on Friday. Pelosi and House Financial Services Committee Chairman Barney Frank said in a joint letter to each company that despite recession and other national economic hardship, GM and Chrysler still had a high bar to meet by the end of March if they expect …