Two, business partners put much press into announcing one of their products does something game-changing but won't share details. Take their word for it. Keep w

Two, business partners put much press into announcing one of their products does something game-changing but won't share details. Take their word for it. Keep writing checks to both. Get ready to write bigger checks, too. Shouldn't we be skeptical of this? Or should I also believe the sugar industry when it says their internal studies show their products don't cause obesity or diabetes?