As well as Gatland's worry for the well-being of the British and Irish Lion, who has scored 22 tries in 49 Tests for Wales, the coach has admitted a "selfish" concern that North is fit and available for the 2015 World Cup.
The environmental movement is almost completely sidelined by a recalcitrant and increasingly conservative Republican Party and, we must admit, a public concerned more with daily economic necessities than long-term ecological challenges.
In addressing the men, she dispelled their fears pre-suasively: first acknowledging their concern by admitting a weakness, which established her honesty for whatever she said next, and then following it with a strength that demolished the weakness.
He admits to a concern that the party is still "too extreme"as a result of its shady past: "They used to have some very bad people and a lot of them quit, but maybe a few are still left".
A bad start can happen, although that is now three in a row for Hamilton and two consecutively for both Mercedes, which team boss Toto Wolff admitted was a concern.
Although admitting this is a concern, little is offered in how to rectify the problem.
The Legal Education and Training Review final report published in June 2013 says: "Inevitably, some will spend considerable sums in pursuit of a career that they are never likely to achieve". Although admitting this is a concern, little is offered in how to rectify the problem.
"And to prove it, here's my ASCII picture of a car": More seriously, he admits, "a rather different issue concerns the objectivity of evaluating artworks".
Kibugu admits it's a concern.
Prof Colin Riordan, vice-chancellor of Cardiff University, admits this is a concern, though he says universities like his should partner with English institutions to stem gaps.
And the Big Board's plans to build a new floor across the street in lower Manhattan seem to have come unstuck leading some to speculate that the floor may yet be allowed to die.Mr Grasso himself admits only to a concern that the visual image of the floor may not send the right message in today's cyberworld, however good it looks on television.
