U.S. seeks coalition against Islamic State, but military partners no sure bet

U.S. seeks coalition against Islamic State, but military partners no sure bet:

Britain and Australia are potential candidates, U.S. officials said. Germany said it was in talks with the United States and other international partners about possible military action against Islamic State but made clear it would not participate.

http://www.reuters.com/article/2014/08/28/us-iraq-security-idUSKBN0GS00H20140828?