WASHINGTON (AP) — President Donald Trump says he will again withdraw the United States, a top carbon polluting nation, from the landmark Paris climate agreement, dealing a blow to worldwide efforts to combat global warming and once again distancing the U.S. from its closest allies.The White House announcement, which came as Trump was sworn in Monday to a second term, echoed Trump’s actions in 2017, when he announced that the U.S. would abandon the global Paris accord. The pact is aimed at limiting long-term global warming to 2.7 degrees Fahrenheit (1.5 degrees Celsius) above pre-industrial levels or, failing that, keeping...