US President Joe Biden has urged Israel’s Prime Minister Benjamin Netanyahu to carefully consider any Israeli retaliatory strike against Iran and the consequences this would have, sources in Washington say. In a telephone conversation between the two leaders on Saturday evening, Biden made it “very clear” to Netanyahu that he needs to “think carefully and strategically about risks of escalation, a senior US government official said in Washington on Sunday. This is something that is constantly being discussed with the Israeli side and other allies, the official said, noting that Biden also made…