The world, warned President Joe Biden, is at an “inflection point.” The world, warned U.N. Secretary-General Antonio Guterres, “is in a whirlwind.” “Our task, our test,” the president said, “is to make sure that the forces holding us together are stronger than those that are pulling us apart.” Today’s choices, he said, “will determine our future for decades to come.” “We are in an era of epic ...