The International Monetary Fund says the global economy is performing better than expected despite Trump’s tariffs, but future growth prospects are at risk.The global economy is performing better than expected amid a historic upheaval in U.S. trade policy, but President Donald Trump’s sweeping tariffs are beginning to erode prospects for future growth, the International Monetary Fund said Tuesday in its latest forecast. Global growth this year is projected at an annual rate of 3.2 percent, up 0.2 percentage points from the fund’s July forecast and 0.4 points higher than April’s, which was prepared as the president finalized his announcement of...