"He treats light as if it were a primary material," Mr. Casebere said.
"If this were a primary, where everybody could vote all day, I'd feel pretty good about it," she said.
"In this situation, with four years of restatements, you have a much better chance of demonstrating that they were a primary wrongdoer".
He also said that exposed wires and connectors were a primary factor in the failure of conventional magnetic bearings.
The National Transportation Safety Board put heavy blame on the Georgia Department of Transportation for a bus crash last year in Atlanta that killed five Ohio college baseball players, saying confusing highway signs were a primary cause.
Their determination to "stay the course" until Saigon could supposedly stand on its own, Mr. Dallek argues, was in part "the product of political cynicism": "The domestic political consequences of a collapse were a primary consideration.
When it appeared that automakers would be required to sell a substantial number of Z.E.V.'s, manufacturers were a primary customer for AC Propulsion's systems for testing and evaluation.
McKee said that the five football cases constituted unequivocal evidence that on-field impacts were a primary cause of the damage, perhaps in association with genetic and other factors her program will attempt to identify.
Collapsing pickup sales were a primary reason that Detroit plummeted to its lowest market share ever last year, taking just 51percentt of American sales, versus 49percentt for its foreign rivals, according to an Autodata estimate.
Mr. Whitaker said he thought the poll numbers were a primary reason why the White House released Mr. Obama's long-form birth certificate on Wednesday.
Many police officers, who were a primary target of the revolution because of their past abusive practices, deserted the force or have returned timidly.
