Discuss the validity or otherwise of these bequests: (25 pts.)

(a) T. gave all his property to his wife "in full confidence that she will do what is right as to the disposal thereof between my children, either in her life time or by will after her decease".

1. The testator gave legacies to his two nieces and continued "I wish to bequeath them equally between the families of Anna and Paula such monies as they shall consider right".
2. A testatrix gave property to her husband "for his sole use ...at his death, the remaining part of what is left, that he does not want for his own wants and use, to be divided between" a brother and sisters.
3. T. directed his executors to let C..."enjoy one of my flats during her lifetime and to receive a reasonable income from my other properties".
4. A trust for "the formation of an informed international public opinion".