For European countries, their big concerns over adding Argentina to the Six Nations revolved around the logistics of playing matches in Argentina.
These factors have prompted big concerns over the rise of independent curators -- whether museums are opening up for the wrong reasons.
In the eyes of many diplomats, the biggest concern over Iraq is the Bush administration's doctrine of pre-emption, the well-publicized policy in which the United States reserves the right to take action even before a threat becomes imminent.
The biggest concern over MaqTec's future isn't so much John Deere building a me-too product.
The government should be the biggest concern over at Verizon, as the deal will put Verizon and AT&T on an even battlefield, while knocking out the two underdogs T-Mobile and Sprint in one foul swoop.
The one big concern is over the left-back position.
There are bigger concerns over the pace of work at the arenas being built in Manaus, Curitiba, Cuiaba, Porto Alegre and Natal, which are from 71% to 79% ready.
However, all eyes will now be on the next engine burn, which should clarify whether or not there are bigger concerns over the health of the spacecraft.
"Maybe they're onto something," he says, "but my big concern was them over-interpreting what the pharmacology was doing".
