Money getting shredded
  • BRICS countries could swing an "economic wrecking ball" at the dollar, a former White House economist says.
  • The bloc has growing power and influence in global trade as it adds new members.
  • The US dollar could soon be in the same position as the British pound in the 1800s, he said.

The dollar could face a growing challenge from BRICS countries, thanks to the bloc's growing size and influence over global trade, according to former White House economist Joe Sullivan.