JediZombie said:
The Jedi had grown weak, blinded by their dogma. Otherwise, Palps never would've been able to pull off what he did.
darklordoftech said:
All they had to do is have Palpatine say "I masked my presence" or "I didn't use The Force when the Jedi were present" to Anakin.
Darth Vader was just doing boring busy work and Luke Skywalker was able to detect that he was nearby - and he didn't even finish Jedi school..