On February 20 this year, the United States is anational holiday "Presidents Day", which was originally a holiday to commemorate the history of the United States the greatest president - George Washington, Abraham Lincoln was also the president;'s birthday they are 2 , Who as a critical moment in American history of outstanding leaders, sub -

Do not for the United States because of the contribution made by Yu - Washington to help bring about the establishment of the United States of America, Lincoln was so young to avoid splitting the United States - have been for generations of Americans admire. The Associated Press in this year's "presidential" on the eve of a news report said historian at the University of Louisville centerorganization known as a "presidential moment" of the seminar, selected a former U.S. President of the 10 errors committed, were:
1, the 15th president, James Buchanan failed to take adequate measures to prevent the United States Civil War.
2, the 17th president Andrew Johnson after the Civil War to the side with Southern whites and oppose outside the abolition of slavery in addition to further improving the status of blacks in the South.
3, the 36th president, Lyndon Johnson's error led to the escalation of the Vietnam War.

4, after the First World War, when the 28th president, Woodrow Wilson refused to "the Treaty of Versailles," to make a compromise on the issue.
5, the 37th president Richard Nixon's involvement in the Watergate scandal.

6, No. 4 James Madison President of the United States failed to prevent war with Britain in 1812.

7, No. 3 Thomas Jefferson president in 1807 signed by the "embargo bill," the bill to prohibit the United States and Europe during the Napoleonic Wars to conduct trade.

8, the 35th president John F. Kennedy off the Bay of Pigs incident almost caused the United States and the former Soviet Union, the two superpowers at that time Caqiang

Fire and led to the Cuban missile crisis.
9, the 40th president, Ronald Reagan triggered by the "Iran-Contra" incident, when the U.S. government to sell arms to Iran, the funds will be used to support the Nicaraguan rebels.
10, the 42nd president Bill Clinton's sex scandal.

As director of the Center for, political scientist Gary Gregg said: "By studying the U.S. presidents in office during the mistakes rather than their achievements, we may learn more and learn some important Lessons. "Considered a number of successive leaders of the major mistakes of civilization and a symbol of a mature political system, which also was given the responsibility of historians, as well as the quality of the people with mental, spiritual, moral standards as well as the embodiment of. President of the United States is, no man is perfect bound to make mistakes, the national interests above everything else and for the well-being of the people to work under the premise of how to avoid serious mistakes and avoid making mistakes, it should matter how high the president would like to carefully consider the needs of the line . U.S. academics, community since the 1940s for a number of occasions since the former President of the performance, capacity and the impact of the "meeting place" that the discharge was "the wrong list," provincial police should have more significance.

President of the 10 listed in error, with the exception of Clinton and the White House intern sex scandal is a "life" issues, the rest belong to political or national security or even the rise and fall of a major. It can be said that this list is quite serious, in fact, also in the past for the previous president, "the second" or the results of opinion polls have varying degrees of agreement. For example, Buchanan is the minds of Americans, "the worst", one of President Andrew Johnson was the first encounter of the presidential impeachment.

However, the presidents of the 10 control error, it is also easy on the President's assessment of the performance, and the incumbent president and his team also need to think of presidents.