Some readers may recall last week’s revelation that the nation’s economy was moving back into the comfy confines of Janet Yellen’s basement, where interest rates are always low. Unfortunately, at least for Janet, this week’s news will not make it any easier for her to dislodge her unwelcome lodger. Just as Ms. Yellen was trying to clarify the temporary nature of this arrangement, Monday brought the news that the Federal Reserve’s very own Labor Market Conditions Index fell further into negative territory. Last month’s reading of negative .3 was made more negative after a downward revision took it to -1.8. So, the thinking goes, since March was a lot worse than we thought, it means that April was not really all that bad. Okay. However one looks at it, the index is now down to negative 1.9 and that doesn’t bode well for the improving labor conditions that remain a prerequisite for rate normalization and basement evacuation.