It's looking more and more as if Ted Cruz, the firebrand conservative from Texas, will be Donald Trump's main rival for the Republican presidential nomination. So it's worth digging a little more deeply into Cruz's views to see what kind of conservative he is.
Let's begin with the proposal Cruz calls the cornerstone of his economic policies: his tax plan.
Cruz has suggested replacing the federal income tax with a 10% flat tax. Everyone, rich and poor, would pay the same rate.
It's simple. It's bold.
“Imagine … every American filing his or her taxes on a postcard or an iPhone app,” Cruz says.
On this score,...