WASHINGTON - The government, helped by a flood of revenue in recent years, said Wednesday it is considering scaling back its borrowing operations by possibly eliminating sale of three-year Treasury notes. Anthony Ryan, Treasury's assistant secretary for financial markets, said that the government was considering various options with regard to the three-year note, ranging from changing the number of times it is auctioned each year to eliminating it altogether. Ryan said in a statement that any announcement on changes to the three-year note would come in May and would take effect after the auction of three-year notes that month. Three-year...