US President Barack Obama, while delivering his farewell speech on Wednesday, wiped away tears as he paid tribute to his teenage daughters and to Michelle Obama. On Michelle, Obama said, “you have not only been my wife and mother of my children, you have been my best friend.” Obama also praised his daughters saying, “two amazing young women” adding, “You are smart, and you are beautiful, but more importantly, you are kind, and you are thoughtful, and you are full of passion.”