Presidents

I know a lot about presidents. These are the presidents I've learned a lot about. I know George Washington, John Adams, Thomas Jefferson, Andrew Jackson, Abraham Lincoln, Ulysses S. Grant, Rutherford B. Hayes, James Garfield, Grover Cleveland, Benjamin Harrison, William McKinley, Theodore Roosevelt, William Howard Taft, Woodrow Wilson, Calvin Coolidge, Herbert Clark Hoover, Franklin Delano Roosevelt, Harry Truman, John F. Kennedy, Richard M. Nixon, Jimmy Carter, Ronald Reagan, George Herbert Walker Bush, George Walker Bush, and Barack Obama.