[Robert DeLong]

Those are two options available. Because it says nothing in regards to secret ballot which means that is not one of the options available.

For this vote and all subsequent votes of the entire Caucus, the Chair may conduct a voice vote or show of hands vote.

But the real crux of the story is that Trump won the vote, and then a secret ballot was requested and seconded and the chairperson approved where Cruz then won the secret ballot. I must add that a call to combine was put forth, seconded and the chairperson refused it. How convenient.

[CA Conservative]

Because it says nothing in regards to secret ballot which means that is not one of the options available.

Not necessarily - it did not say "may only" choose one of those options.