As the Iraq war underscored, the United States' great power enables it to act alone and still achieve many of its goals swiftly and effectively.
Political analysts said Dr. Dean's advertisement, taking on Mr. Gephardt, Mr. Kerry and Mr. Edwards for their initial support of the Iraq war, underscored his concern as several competitors have tried to cut into his lead in the polls.
In the late 1960s, events including a California oil spill, a chemical fire on the Cuyahoga River in Cleveland and civic protest about napalm and Agent Orange, used in the Vietnam War, underscored her warnings that efforts to control nature threatened man's survival.
His testimony, and the partisan exchanges in the hearing room over whether what he described as an intelligence failure undermined the rationale for going to war, underscored the problem facing President Bush as he tries to deal with the political and diplomatic fallout from Dr. Kay's statements.
Bob Woodward's new book, "Obama's Wars," underscores just how vociferous and highly personal those altercations and message wars often became.
Meanwhile, Japanese electronics makers have figured little in the smartphone patent wars, underscoring how negligible a threat they now pose to either Apple or Samsung in the sector.
Even as he explodes the notion that volunteers won the war, he underscores an equally pervasive idea that the actions of Congress and the American Revolution were one and the same.
The United Nations family in Bosnia and Herzegovina, together with the global mine action community marks this day to draw more attention to the problem of landmines and explosive remnants of war, and underscores the commitment of the United Nations to strengthen its response in this area.
The super-pacs' war chests underscore the extraordinary impact they will have on this year's race.
