Senator took in at least $300,000 from nonprofit in Union City Federal investigators have subpoenaed records of a rental deal between U.S. Sen. Robert Menendez and a nonprofit agency in Union City, launching a criminal investigation that is sure to rock New Jersey's hotly contested Senate race. Authorities delivered the subpoena to the North Hudson Community Action Corp. earlier this week, according to four sources familiar with the move who requested anonymity because of the ongoing investigation. The action comes two weeks after The Star-Ledger reported that Menendez collected more than $300,000 from the organization over a nine-year period while...