Per the INA, Ted Cruz acquired citizenship at birth.
If he wants to run he can. No state will deny him a place on their primary or general-election ballot, any Electoral College votes he wins will be awarded to him.
Everything else is just NBC-Birther noise.
Per a 1934 law. (and subsequent modifications of it.) Had Congress not passed this law, Cruz would not be a citizen at all. A "Natural born citizen" doesn't need a law to be a citizen.
If he wants to run he can. No state will deny him a place on their primary or general-election ballot, any Electoral College votes he wins will be awarded to him.
If you mean the system is broke, then I agree with you. People simply don't care about fidelity to our system of governance anymore.
Everything else is just NBC-Birther noise.
It is the truth. It only sounds like "noise" because people like you have your hands so firmly clasped over your ears.