It’s only a tweet, and it’s also an excuse to bash Ted Cruz, but for the first time, the GOP front runner Donald Trump has signaled he is jumping on the “audit the Fed” bandwagon:

It is so important to audit The Federal Reserve, and yet Ted Cruz missed the vote on the bill that would allow this to be done.

— Donald J. Trump (@realDonaldTrump) February 22, 2016

If the economy is headed south, as some analysts think, the issue could reemerge in the general election, too.

Maggie Gallagher is a senior fellow at the American Principles Project.