The GOP tax law unintentionally created the potential for a huge disaster if Congress doesn't act -- Business Insider

The Congressional Budget Office estimated that the deadline for Congress to raise the debt ceiling is now in early March instead of early April. The deadline is pushed up because of changes to tax receipts from the GOP tax law. That would put the debt limit deadline close to the deadline to codify the Deferred Action for Childhood Arrivals Program. ....
http://www.businessinsider.com/gop-tax-law-debt-ceiling-deadline-close-to-daca-deadline-2018-1