BRUSSELS - France, keen to heal a deep rift with the United States over the Iraq war, has asked to take over two NATO commands in a signal of willingness to work more closely with Washington on international security, a senior U.S. senator said on Thursday. Senator Joseph Biden, ranking Democrat on the Senate Foreign Relations Committee, told reporters President Jacques Chirac had raised the issue during a lengthy meeting with him on Wednesday, and he would pass on his thoughts to President Bush. Biden said France wanted to head a new NATO Reaction Force (NRF), inaugurated in October to...