Here's what will happen to Jehovah's Witnesses as they roll right past 2014: They will become increasingly like the religious group that influenced Charles Russell: The Christadelphians who started around 1830-1840 and who have many basic doctrines in common with the Witnesses.
The Christadelphians were once an outspoken, vibrant, edgy "Christian" group who spread their urgent end-times message far and wide. They grew exponetially in the latter half of the nineteenth century, but their heyday is long past. For several decades now they resemble a heavy rusty old steam locomotive that is running out of speed as it lumbers along ill-kept tracks, but still tries to muster the motion needed to take on steep mountain slopes. The Christadelphians ooze sad irrelevance and faded glory of times well passed. They are an old people's religion - old people who don't have the self- and other-awareness to see that they are clinging to a dead dream. The Christadelphians have long since passed their used-by date and the only ones who still "practice' this religion are older individuals who cannot muster the strength to look out their windows at the real world passing them by.
This is the future of Jehovah's Witnesses, who will not go out with a bang, but who will slowly whimper to an ever slower crawl as the decades pass and the world, in its infinite fascination with religious novelty, will fix its distractable attention on to other more modern belief systems.