A 'Buy American Made' billboard promoting American made vehicles is seen along a business district in Taylor, Michigan June 9, 2009. Picture taken June 9, 2009.  REUTERS/Rebecca Cook  (UNITED STATES TRANSPORT BUSINESS EMPLOYMENT) WASHINGTON, Oct 8 (Reuters) – Republicans urged President Barack Obama on Thursday to roll back “Buy American” provisions of this year’s economic stimulus package that they said were delaying public works projects and costing American jobs.