What is the test for disqualifying an opposing attorney from a trial?

Is a motion denying a motion to disqualify an opposing attorney's attorney appealable? (California, United States of America)

If appellant had valid grounds to criticize his trial attorney's actions with respect to the Miranda issue, would he have been able to argue that the trial attorney was constitutionally ineffective? (California, United States of America)

Is a client's attorney required to repay all moneys laid out by the attorney to the attorney before the client can make a claim against the attorney? (California, United States of America)

Can an opposing attorney seek relief from a judgment, dismissal, or other proceeding against the opposing attorney? (California, United States of America)

Can an attorney or party who files a frivolous motion to disqualify or harass an opponent to delay litigation be sanctioned by paying the attorney fees and costs incurred by the opposing party? (California, United States of America)

Does a deputy district attorney acquiesce in having the motion heard during the trial of a defendant before trial, rather than prior to trial? (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)

Can an attorney who chooses to litigate in propria persona rather than retain an attorney to represent him recover attorney fees? (California, United States of America)

What is the impact of the marriage of a deputy district attorney in the prosecuting attorney's office on a motion for a new trial? (California, United States of America)

What are the principles of a motion for a new trial where a witness in a murder trial later dies before the trial has even begun? (California, United States of America)