His column is occasioned by the arguments before the Supreme Court which could lift the limits on total contributions per federal cycle, so that the wealthy could give the max per candidate to as many candidates as they might like.
But this column in Thursday's New York Times covers much more than the factual issues in the case.
And is often the case with Blow, there are some telling remarks and observations.
As he notes
Rich conservatives are out to bend government to their will or break it in the attempt to discredit this Democratic president and ensure that there won’t be another soon.
At the same time as they seek to remove limits on how much they can spend, they want to limit the ability of those who might vote differently than them to vote at all.  
Or as Blow puts it:  
This is a sinister, last-gasp move of gangsterism: when you’re losing the game, tilt the table.
You must understand this larger plot to fully appreciate the Republicans’ current budget