By Tom Bergin LONDON (Reuters) - Executives from Google Inc. and its auditor Ernst & Young will be called again to a British parliament committee to testify on tax, after a Reuters investigation highlighted inconsistencies in the way Google portrays its activities in Britain, the committee's chairwoman told Reuters. Margaret Hodge, head of the Public Accounts Committee (PAC), which is tasked with ensuring value in government financial affairs, said she would summon the companies' representatives to explain previous comments to the committee in light of the report. ...