Republicans question details of deal set to be signed later in the week as European leaders seek to join talks. Plus: can we refreeze the Arctic? Good morning. Donald Trump, facing severe criticism from some domestic supporters for conducting a war against Iran that has met hardly any of its original objectives, has backed a joint G7 leaders’ statement that welcomes his proposed peace deal. What is the domestic criticism of the deal? Many Senate Republicans said there were still unanswered questions and they needed thorough briefings before it was finalized. Senator Lindsey Graham, a close ally of Trump and a longtime hawk on Iran, said: “The way Iran describes it, it’s awful. The way we describe it, it makes sense to me. Let’s look at it and see what it actually is.” How do people in Iran