It is a practice of banana republics for previous holders of executive office to publicly criticize current officeholders.
It is not President Bush's job to take President Obama to task. It was our job to vote him out.
Snowden exposed the trashing of the 4th Amendment to the Constitution.
He also betrayed US intelligence to foreign governments and entities.
That has nothing to do with the 4th Amendment.
>> “He also betrayed US intelligence to foreign governments and entities.” <<
.
You have no proof of that assertion.