Elon Musk’s U.S. DOGE Service is seeking access to a heavily-guarded Internal Revenue Service system that includes detailed financial information about every taxpayer, business and nonprofit in the country, according to two people familiar with the activities, sparking alarm within the tax agency.Under pressure from the White House, the IRS is considering a memorandum of understanding that would give DOGE officials broad access to tax-agency systems, property and datasets. Among them is the Inte...