India, Sept. 1 -- US-Israel-Iran War Latest Live News: As Washington and Tehran enter another tense phase of their long-running confrontation, a question about the possibility of nuclear weapons has pushed the US-Iran conflict back into the global spotlight. US President Donald Trump refused to completely close the door on nuclear weapons against Iran while also arguing that there was no reason to use them against a country he said had already been defeated militarily.

Trump made the comments in the Oval Office on Tuesday after a reporter asked whether the US had ruled out using nuclear weapons as fighting between the two countries intensified again. The president initially said he would "never say" nuclear weapons were off the table bef...