LONDON (Reuters) - Britain is seeking far-reaching reductions in tariffs from a trade deal with the United States, trade minister Liz Truss said on Thursday, setting out the broad aims of her post-Brexit push to secure new free trade agreements.Britain plans to begin negotiating deals with the United States, Japan, Australia and New Zealand in the coming months, alongside talks on an agreement over its future relationship with the European Union."We will drive a hard bargain and, as with all..