Mark Tepper has issued a warning about the US debt crisis. He believes it will require a period of higher inflation. This warning was shared with Fox Business.

Further details about Tepper's warning are available from the source. The warning specifically mentions the US debt crisis and its potential impact.

It is known that Tepper shared his thoughts with Fox Business, but additional context or information about his warning is not provided here. For more information, readers can refer to the original source.