'Gemini Man' review: Sandy Kenyon says great 1st hour gets tedious

The film "Gemini Man" has been in development for more than 20 years, with stars from Harrison Ford to Clint Eastwood and Arnold Schwarzenegger to Sean Connery wanted to play the title role. But half a dozen writers tried and failed to make the script work, and technology also needed to improve. So was it worth the wait?