The US and Denmark are the only countries with an absolute value for the debt ceiling. The debt ceiling does not even serve any practical purpose. With the same drama coming up every few years, it is clear that the US has a severe long-term fiscal problem. It also shows that America's governance and policymaking could be more stable. With a host of economic and geopolitical challenges that the US is facing today, it makes no sense to be bickering over the debt ceiling and using it as a political weapon. It is time for the ceiling to go away.

Yesterday, we read the news headlines that the oil prices plunged to negative. What does that mean? Will you get paid for filling gas in your car?