The Marines have acknowledged setbacks in the aircraft's development.
That comes after even Bush acknowledged setbacks and mistakes and after he and new Defense Secretary Robert M. Gates have said they United States is not winning at this point.
US politicians have also acknowledged setbacks but note that progress in a country still largely ruled by generals will take a long time to achieve.
Mrs Merkel, who has made it clear she opposes sending lethal arms, acknowledged setbacks in efforts to reach a diplomatic solution with Russia over Ukraine, but said that they would continue.
Johns acknowledged setbacks in the case but defended the results.
Acknowledge setbacks and failures, including civilian casualties, and then state how we'll respond and what we've learned".
During a televised debate on healthcare on Monday night, Cassidy and Graham acknowledged the setbacks but vowed to push forward with their bill.
From three fund-raisers on Wednesday and Thursday morning in San Francisco to three more later Thursday here among the Hollywood set, Mr. Obama made the case for his achievements, acknowledged the setbacks, faced a few hecklers and raked in millions of dollars for the Democratic Party.
But he also acknowledged some setbacks.
Celebrate your small successes of positive thoughts, acknowledge your setbacks and learn from them.
