Subject: What If Qualified Dividend Tax Rate Repealed
What if Berkshire doesn't find enough good investments over time and the cash builds up to 600 Billion in today's dollars? And finally at that point, it decides to initiate a dividend? That could be a lot of dividend tax to pay. At some point, at the margin,it may make sense to initiate a dividend sooner rather than later in order to get that money dispersed.

Never assume that the lower tax rate on dividends is permanent. It could be politically popular to repeal the Qualified Dividend Tax Rate someday with how the budget projections already look.