By suggesting for the first time that America's enemies were pleased to see the devastation caused by the hurricane, he appeared to be linking the country's natural and human challengers.
The disparity in those reactions speaks not only to the natural differences between incumbent and challenger, but also to the very different ways in which Mr. Obama and Mr. Romney, the presumptive Republican presidential nominee, are talking about the economy as a robust recovery continues to elude the White House.
Although challengers such as Aveda tout natural ingredients, they all use preservatives and antiseptics to prevent contamination of the rich nutrients.
Other challengers such as Aveda tout natural ingredients, but they tend to use preservatives and antiseptics to prevent contamination of the nutrients.
While even a hint of ambiguity remains, it's likely that challengers will file suits over Cruz's "natural born" status, just as they did with another Republican senator running for president, John McCain, Duggin said.
But although he returned to lead Les Républicains in 2014 in order to position himself as the natural candidate, he remains very much the challenger.
Though Aiken has no previous political experience, his extensive name recognition, the fundraising ability that goes along with that, and natural telegenic appeal make him an unusually strong challenger for a basically scandal-free incumbent in a safe district.
But there is natural frustration with the Jets' repeated efforts to add a challenger.
Such classifications may be discovered in the thought of most major religious groups and are the natural, perhaps inevitable, result of the need to defend particular perspectives against challengers or rivals.
The class of range concatenation grammars appears to be a convincing challenger as a syntactic base for various tasks, especially in natural language processing.
