Ireland's new Nations Championship campaign begins tomorrow in a sold-out Sydney stadium, but the biggest story is the man leading them out. Dan Sheehan will captain the side for just the third time, stepping in after Caelan Doris's foot injury in the URC final ruled out the regular skipper for the tour. It is a bold start to a bold competition: 12 teams drawn from the Six Nations and Rugby Championship plus Fiji and Japan, playing six games per round, with results from...