President Donald Trump blasted the United Nations in his speech to the General Assembly on Tuesday, suggesting that the organization was either ignoring or exacerbating problems around the world that were being left to him to fix. “What is the purpose of the United Nations?” Trump asked. “It’s not even coming close to living up to [its] potential.” In a speech that meandered from complaints about losing out on a contract to renovate the headquarters to recounting what he saw as his foreign policy successes, the president painted a picture of the U.N. as an outdated, ineffective organization and said he’s worked to end “seven wars” without any help. “It’s too bad that I had to do these things instead...