Being completely unable to keep a popular device in stock is a great problem to have, we suppose -- but considering that Verizon Wireless' Lowell McAdam believes he could sell "twice" the number of Droid Incredibles that he has available, that's got to be a bit of a bummer if you're one of the company's bean counters (or a would-be buyer, for that matter). In a talk at a Barclays Capital conference today, McAdam made it clear that component shortages were to blame for the high-end Android handset's general unavailability -- specifically the Samsung-sourced AMOLED display, which is seeing duty in more phones all the time and
