DONALD Trump's onetime lawyer and fixer Michael Cohen faced pointed questions about his credibility from a lawyer representing his ex-boss as he testified against the former U.S. president in a civil fraud trial over his family real estate company's business practices. Cohen, who came face-to-face with Trump for the first time in five years on Tuesday, is undergoing cross-examination for his second straight day of testimony in a Manhattan courtroom. Cohen testified on Tuesday that Trump "arbitrarily" inflated the value of the Trump Organization's real estate assets to secure favourable insurance premiums. Cohen said he doctored financial statements so the property values…