The correct answer is: Both of the other answers are correct.
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It should be public, and all 50 states have rules concerning the use of cameras in the courtroom. This statement is true as jury trials are typically public proceedings, and states indeed have regulations regarding the presence of cameras.
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It should be speedy, but there are differences among the states setting the maximum number of days between the arrest and the beginning of the trial. This statement is also true; the right to a speedy trial is constitutionally protected, but states have different laws regarding what constitutes a "speedy" timeframe.
Since both statements are accurate, the combination "Both of the other answers are correct" is the logical choice.