President Obama walks with White House Chief of Staff Jack Lew on March 2 on the South Lawn of the White House. Mandel Ngan/AFP/Getty Images hide caption

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President Obama is introduced to the Business Roundtable by Boeing CEO Jim McNerney in Washington on Wednesday. Charles Dharapak/AP hide caption

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President Obama speaks at the National Defense University in Washington on Monday. Since his re-election four weeks ago, Obama is showing signs of a new, more aggressive leadership style. Charles Dharapak/AP hide caption

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Kay Bailey Hutchison of Texas and Jon Kyl of Arizona on Tuesday introduced a bill that would allow illegal immigrants to stay in the country, but would not offer them a path to citizenship. Alex Wong/Getty Images hide caption

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President Obama speaks during Veterans Day ceremonies at Arlington National Cemetery in Virginia on Sunday. Brendan Smialowski/AFP/Getty Images hide caption

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