A prosecutor told a jury on Monday that a former United Nations procurement official charged with bribery was a greedy and deceitful diplomat who exchanged nearly $100 million in contracts for a sweetheart deal on a luxury apartment and cash. Deputy U.S. Attorney Cathy Seibel promised the jury in her opening statement that the government would prove through more than 20 witnesses and hundreds of documents that Sanjaya Bahel secretly helped a Florida friend secure lucrative contracts from 1999 to 2003. She said the friend, Nishan Kohli, of Miami, agreed that his family's businesses would kick back 10 percent of...