No Concrete Reason

Barriers to buildings
Are familiar to us here.
Right after 9/11’s shock,
They started to appear.

But just this week I noticed
Something added to the stock –
At a stairway that I frequent
There’s a jumbo concrete block.

To be fair, the stairs are leading
To the mayor’s stately manse
So protection is important;
They’re not taking any chance.

Though I do not get the placement
Of this ugly concrete slab
For no vehicle could climb the stairs –
No car, no truck, no cab.

Some authority decided
To keep terrorists at bay,
They’d plop down a blob a concrete
And then all would be okay.