Sassy comebacks, sarcastic insults and glossy AI-generated videos have all been key tools in Iran’s retaliation against the United States, as social media has become a key front in the more than two-month war.  The battle playing out online demonstrates the Islamic Republic’s investment in communications and technology as a key part of its arsenal. The purpose, according to some experts, is to flood the information space with content that undermines the U.S. position and President Trump.  “Sharp power is kind of purposely trying to destabilize your opponent by making them look bad, or by using their own systems against them,” said Priya Doshi, the Hurst senior professorial lecturer in strategic communications with American University. The videos and pithy comments also serve as a response to the Trump administration’s social media campaign employed at the beginning of the war.…