By Liu Juanuncharted4pccrashing, Wei Xinyue, Zhao Yishen

The U.S. federal government's total public debt has ballooned to 35 trillion U.S. dollars for the first time, making its debt-to-GDP ratio stand at 123.3 percent.

Is that sustainable for the White House to stay afloat by keep borrowinguncharted4pccrashing? What would happen if the debt balloon blasts?