I don't think there's any one definition, but to do effective political work you have to have vision and practicality, and learn how to persuade people that what you feel needs to be done does need to be done. ↗
The balance of evidence both from the cell-free system and from the study of mutation, suggests that this does not occur at random, and that triplets coding the same amino acid may well be rather similar. ↗
There is a very well-defined procedure that allows the Vatican to raise issues with a particular theologian about something that does not appear in conformity with the Catholic faith. It is not always easy to make this determination. ↗