It was not such an easy or obvious step to take.
Our governments don't really care enough to take that rather obvious step.
Even after he'd decided, he hesitated for some time before taking the obvious next step.
Why wait until Tuesday afternoon to take this obvious step?
The obvious next step was to look to the future.
So taking that obvious first step is the most dangerous part of the project.
Yet, to this day, they will not take that obvious step.
The obvious next step is to look for the "cause" of death.
The rest of the world has simply failed to take obvious steps.
Therefore he had taken what must have seemed an obvious step to protect himself.