premise: Though novel for its open endorsement of indiscriminate killing , Bin Ladin 's 1998 declaration was only the latest in the long series of his public and private calls since 1992 that singled out the United States for attack and true is true and true is true and true is true and true is true and true is true .
hypothesis: The United States was one of Bin Ladin 's preferred Western targets along with its allies .