Draghi ties Lagarde's hands with promise of indefinite stimulus

FRANKFURT (Reuters) - European Central Bank chief Mario Draghi pledged indefinite stimulus on Thursday to revive an ailing euro zone economy, tying the hands of his successor for years to come and sparking an immediate conflict with U.S. President Donald Trump.As Draghi's eight-year mandate nears its close, the ECB cut rates deeper into negative territory and promised bond purchases with no end-date to push borrowing costs even lower, hoping to kick-start the bloc nearly a decade after its debt..