Vaulting casually

I subscribe to a number of physics feeds, as well as a few financial ones. So it took a few seconds for me to realize that the headline my brain registered as "What's violating causality in the tax-exempt bond market?" made a lot more sense if I'd actually read the words that were there: "What's causing volatility in the tax-exempt bond market?" Although, I must say I was a little disappointed by that realization: a good time travel paradox might be just what the economy needs.