Is the United States in a Recession?

There seems to be some ambiguity about whether the united states is in a recession at all. President jobiden denies that the United States is in a Recession. So why is there this ambiguity at all? And who decides if there is a recession or not? Adam, the custom economy isn't like a game for which there's a single referee,. There's no absolute authority in economic commentary. It's to a degree, conventional and by convention, in the us.