But just as non-parents can never fully understand the experience of actually being parents (forget the "my brother has kids" thing... it ain't the same), so, too, can whites never fully grasp the day-to-day, can't-turn-it-off, always-there experience of being black in America.
It seems that existing outcome measures have not been able to grasp the difficulty of every-day life by keeping the questionnaires short and practical.
The prime minister's failure to grasp the significance of the first day's Panama Papers revelations about his father's offshore company can be seen, admittedly on hindsight, as a massive PR error.
As Democrats and Republicans sought on Wednesday to grasp the unlikely rise of Mr. Schwarzenegger from action-movie hero to the Republican governor of a predominantly Democratic state, those first public words by Governor-elect Schwarzenegger told much of the story.
He added: "If they had decided from day one to grasp the nettle and say 'Right, there is a handful of journalists who are doing this, we are going to get rid of them,' the News of the World would still be running now".
Mr. Schmitt, the Republican minority leader, said that Mr. Gulotta "has stuck his head in the sand and has chosen to ignore reality" when negotiating contracts and that he "has lost his grasp on the day-to-day operations of the government".
It is hard to grasp the Montreal International Jazz Festival, which began on June 27 and ended Sunday.
On Friday, Mr. Adams said he was still trying to grasp the charges against Mr. Parks.
We should grasp the opportunity.
