Warren Buffett is sitting on $397 billion in cash and just told CNBC he'd spend $100 billion this afternoon if he could find a great business at a sensible price. He can't find one. Berkshire's cash hit a record $397.4 billion on March 31. That's larger than the conglomerate's entire $288 billion equity portfolio. The cash position is now bigger than the stocks. Q1 2026 was Greg Abel's first quarter as CEO. He sold $24 billion in stocks and bought $16 billion. Net seller by $8 billion. That…