Fiona Goodall/Getty ImagesLIMA (Reuters) - Failure to ratify the U.S.-led sweeping trade pact TPP would hand China "the keys to the castle" on globalization and do nothing to solve the real problems underlying American anxiety over jobs, the top U.S. trade official said Thursday. The tariff-slashing Trans-Pacific Partnership (TPP) has turned into a hot-button topic in the run-up to the Nov.