Iran attacks leave Trump and aides divided, with no clear strategy

The US administration, divided between hard-line hawks and a Donald Trump who fears plunging the country into another "endless" war, is struggling to define its strategy against Iran -- as demonstrated by its uncertain response to recent developments in the Gulf of Oman.Here is what we know about the US response and administration thinking.It took only hours for Washington to directly accuse Tehran of being "responsible" for the attacks Thursday against two oil tankers.