santiago chile continue pursue trade deal even though trans-pacific partnership tpp table u.s. president donald trump withdraw unite state pact foreign minister heraldo munoz tell journalists monday munoz say another regional trade deal without unite state might possible tpp south american country invite minister tpp members well china south korea summit chile march discuss proceed receive positive responses high level munoz say tpp go forward table mean chile go change tack go persist open world ... past bilateral deal regional deal say top copper exporter chile small open economy exist free trade deal tpp members early monday trump fulfil campaign promise formally withdraw unite state tpp 12-nation project negotiate former democratic president barack obama administration never approve congress mexico say would immediately seek bilateral deal countries sign tpp chile eye new deal pacific trade pact members minister