Is a defendant entitled to a reasonable opportunity to prepare and present his defense at trial?

Is a defendant's claim that the trial court's failure to provide him with the means and subpoena witnesses to defend at trial a violation of his Sixth Amendment right to represent himself at trial reversible? (California, United States of America)

Is a defendant's opportunity to prepare an effective defense affected if evidence at trial shows the alleged crimes occurred at a different time and location? (California, United States of America)

Can the trial court prevent defendant from presenting his defense that he shot Nunez in self-defense? (California, United States of America)

Can defense counsel present a reasonable excuse for defendant's nonappearance at trial? (California, United States of America)

What is the test for a defendant's claim that the exclusion of evidence in the trial of a defendant in a sexual assault case violated his federal constitutional right to present a defense? (California, United States of America)

When a defendant makes a mid-trial motion to revoke his self represented status and have standby counsel appointed for the remainder of the trial, does the trial court have a duty to manage the trial? (California, United States of America)

Is a criminal defendant entitled to a personal waiver of his right to be present during a criminal trial? (California, United States of America)

Does defendant's voluntary absence operate to waive his constitutional right to be present at trial and permitted continuation of the trial? (California, United States of America)

Is a defendant entitled to an objection at trial when the prosecution fails to disclose to the defense the facts supporting the objection? (California, United States of America)

Can a defendant in a civil case who is seeking personal representation at trial be denied the right to be personally present at trial? (California, United States of America)