Now that National Prosecuting Authority boss Shaun Abrahams is to appeal the High Court ruling that the decision by one of his predecessors to drop corruption charges against President Jacob Zuma was irrational, South Africa must allow the legal process to conclude.It was expected that the NPA would appeal the ruling and seek the intervention of a higher court. It is important that South Africans allow the court to pronounce on this matter without further delay.Zuma, who has always asked for his day in court, should allow the courts to determine his case and we all hope that his supporters will also accept the higher court's decision if it says the president has a case to answer.Abrahams spent a lot of time yesterday talking about integrity and how he answers to no one but the constitution, but he should avoid the pitfalls that befell his predecessors. They, too, came into office confident and full of bravado, but ended up being fired.This position has always been a hot seat and Abrahams should not fool himself into thinking that there will be no attempts to influence him.He will come under attack and he should be prepared to fight. What he should avoid is making much out of nothing in his rejoinders directed at commentators: his remarks have already exposed him as having a thin skin.It was worrying to hear Abrahams spend a great deal of time yesterday complaining about cartoons and what journalists wrote about him and his office. This sort of coverage, Mr Abrahams, comes with the job. You should worry instead about the NPA's work and the integrity of its employees.South Africa needs a national director who is beyond reproach and commands respect on all sides - not someone who is worried about his public image.Sir, your work will determine how the public views you and your office. Your decision to take Zuma's case on appeal shows that you have confidence in our courts and should be respected as such...