At this week’s Dealbook Conference,  Lloyd Blankfein, David Rubenstein and Ray Dalio each fretted about a “bond bubble”.  This isn’t necessarily a new or unique fear. It was already a “constant refrain” in 2010. Jeff Gundlach exemplifies a more extreme version of the same point, and it’s been recently covered in the FT and WSJ.  Here’s Blankfein: