How did the NSA hack our emails?

The easiest explanation of a backdoor in numbers generators

¿Usted como habla de claro?

Usted cómo habla de claro? 1. Claro 2. Muy claro 3. Bastante claro 4. Clarísimo 5. Gran Wyoming

— Cristina Pardo (@cristina_pardo) December 14, 2013

It is a riddle, wrapped in a mystery, inside an enigma

"I cannot forecast to you the action of Russia. 
 It is a riddle, wrapped in a mystery, inside an enigma; 
 but perhaps there is a key. 
 That key is Russian national interest."

 (Winston Churchill - October 1939)