Marumalarchi Dravida Munnetra Kazhagam leader Vaiko, on a tour of the US, met Democratic presidential candidate, Senator Barack Obama [Images], at a function at Chicago.

In a brief meeting with Obama on Friday, Vaiko discussed about a book being authored by him on Obama and lauded the Democrat for his dynamism.

"Your dynamism and charisma have touched the hearts of people in remote corners of the world, crossing the barriers of the continents," an MDMK release, quoting Vaiko as saying to Obama, said in Chennai on Saturday.

The draft of the book, Yes, We Can also earned an autograph from Obama, who signed, "Vaiko, Yes, We Can," the release said.

The book details the "courage and determination (of Obama) to fight for the cause you cherish, as a student, as a community organiser and as a Senator," Vaiko told Obama, the release said.

The book also "descibes the persecution and tragedies to which the African-Americans were subjected to more than two centuries," Vaiko told Obama, the release said.