Here's why Apple's coming streaming video service won't rescue it from plunging iPhone sales (AAPL)

Apple's impending video service is getting a lot of hype.
But even if it's a smash hit, the video service won't be able to make up for Apple's declining iPhone sales, the Jefferies analyst Tim O'Shea shows in a new report.
In a best-case scenario, a video subscription service would provide only about 5% of Apple's revenue, according to O'Shea's estimates.
And there are reasons to think Apple could have a tough time luring customers to its video service.Apple's coming streaming video service won'