WASHINGTON (Reuters) - U.S. investigators examining money laundering accusations against President Donald Trump’s former campaign manager Paul Manafort hope to push him to cooperate with their probe into possible collusion between Trump's campaign and Russia, two sources with direct knowledge of the investigation said. Special Counsel Robert Mueller's team is examining Manafort's financial and real estate records in New York as well as his involvement in Ukrainian politics, the officials said. Between 2006 and 2013, Manafort bought three New York properties, including one in Trump Tower in Manhattan. He paid for them in full and later took out mortgages...