Here's what one of my old law professors said: "Anyone can file suit against anyone for any thing at any time. That's not the issue. The issue is, can you WIN."
Folks have filed suit against animals and even against God, on all sorts of ginned up baloney pretenses. Folks use lawsuits as stunts, and nobody can stop them from filing such lawsuits; they just don't go anywhere.
So, some jerkwad files suit against Ted Cruz for some baloney or other. So what? It's not going anywhere.
We can't let phony jerkwads like Donald Trump, Alan Grayson, and their cohorts jerk us around or set our agenda.
We’ll see what happens. Never know with any candidate. They ALL tell half-truths from time to time.