President Donald Trump slammed Rep. Alexandria Ocasio-Cortez and New York City Mayor Zohran Mamdani for appearing to laugh during the solemn reading of victims’ names at the 9/11 Memorial, calling their behavior "terrible" and "inappropriate.""I think it’s terrible," Trump said when asked about the video of the two Democrats. "It’s not a place to be laughing, especially in that case.""I thought it was terrible," he continued. "The fact that they were laughing together at a very important part of the ceremony was inappropriate."The president’s condemnation came after video of Ocasio-Cortez and...