Former CIA director Leon Panetta has said that Iran has “a gun to our head” because of its stranglehold over the Strait of Hormuz and warned that President Donald Trump has bitten off more than he can chew. Panetta was speaking Thursday as Trump and Chinese Premier Xi Jinping ⁠agreed at their summit in Beijing that the Strait must ⁠be reopened ​for ⁠the free flow of energy. “My sense is that it’s very likely this war, which was supposed to end after six to eight weeks, is probably going to continue for a number of months,” the ex-official told The Times . Former CIA director Leon Panetta has warned Iran ‘has a gun to our head’ so long as it controls the Strait of Hormuz (Getty) “This is because we have not found the key to how we achieve, not just a continuing ceasefire, but a resolution to some of the crucial issues which will then allow us to end the war.…