I flew to Omaha to cover Warren Buffett's annual meeting. I didn't know I'd witness history being made

I traveled from London to Omaha to cover Warren Buffett's annual meeting for Business Insider. - The biggest news story of my career ended up breaking while I was there. - I immersed myself in all things Buffett for a weekend and had an unforgettable time. I flew from London to Warren Buffett's…