Allegheny Technologies Inc. CEO Robert Wetherbee said in an op-ed written for the Wall Street Journal last week that the company’s Midland plant is “hemorrhaging money” due to President Donald Trump’s 25 percent tax on imported steel. MIDLAND — A Pittsburgh-based metals manufacturer may be forced to close its Beaver County facility and lay off at least 100 local workers without an exemption from Trump-imposed foreign steel tariffs. Allegheny Technologies Inc. CEO Robert Wetherbee said in an op-ed written for the Wall Street Journal last week that the company’s Midland plant is “hemorrhaging money” due to President Donald Trump’s 25 percent tax on imported steel. Trump’s economic policies led ATI to reopen the idled Midland steel plant two years ago, and company leaders are urging the administration to keep its industry promise. “The administration imposed tariffs for good reason,” Wetherbee said. “Numerous countries have heavily subsidized their steel manufacturing and flooded the global market with low-cost steel. Many U.S. plants, including some of ours, closed.” But the tariffs made ATI’s nickel-rich stainless steel slabs, imported from Indonesia, unreasonably expensive, Wet...