'Corruption' is not far behind 'conflict of interest' in the dictionary, and constitutional reform is needed to protect democracy and ensure that elected officials do not abuse their powers and privileges. Presidents should be limited to a single 5-year term and 1/4 of all lawmakers should face election each year so the people will serve as a valid force in politics. §7.3 §8.3
Trump needs schooling in democracy and tools like separation of powers and blind trusts, which function to ensure that government officials do not overstep their authority or benefit personally from policy decisions. For details read the Charter for Permanent Peace and Development.