Can Ireland adapt to retain Six Nations crown and four other big questions

So many questions, so many imponderables. Rarely has the outcome of a Six Nations championship been so difficult to predict. 

With new coaches and captains adding to the spice, the opening round of games this weekend should go a long way towards lifting the fog and by this time next week, we will have a far clearer vision on what this year’s championship will offer across the board.

So what areas am I looking for clarification on over the weekend?