Former US President Barack Obama, in his newly published political memoir "A Promised Land", has drawn sketches of several leaders of the US and other nations which includes Rahul Gandhi and former Prime Minister Manmohan Singh. Barack Obama, in his book, said, "Rahul Gandhi has a nervous, unformed quality about him, as if he were a student who'd done the coursework and was eager to impress the teacher but deep down lacked either the aptitude or the passion to master the subject"