Be forewarned, Israel and the US. We are entering a dangerous stage in which Iran feels it must respond in kind to attacks against it. When two nations engage in patterns of attacks and counterattacks, it's much easier for a mistake or misjudgment to lead to disaster.
Outside the UN, thousands of Iranians from across the US – and beyond – protested Iran's elections and the continued detention of opposition supporters.
Readers write about how President Obama can improve the US's relationship with Iran, why theocracy is a major threat to freedom of speech, and why illegal immigration should not be romanticized.