Treasury: U.S. cash balance drops below minimum

USA Today: WASHINGTON — The United States Treasury has fallen below the minimum $150 billion cash balance, Treasury Secretary Jack Lew said Thursday in a letter to Congress urging lawmakers to raise the federal debt limit.

Lew's warnings about the debt limit have become all too routine in recent years, as Congress has repeatedly waited until the 11th hour to extend borrowing authority before the nation goes into default. But the cash balance policy is a new wrinkle.

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