What did Obama say about ex-PM Manmohan Singh, Sonia Gandhi in his memoir?

In his memoir, former US President Barack Obama said that former Prime Minister Manmohan Singh comes "across as having a kind of impassive integrity". "Physically, he was unremarkable," Obama wrote about Russian President Vladimir Putin. "We are told of the handsomeness of men like Charlie Crist, but not the beauty of women...as in the case of Sonia Gandhi," Obama wrote.