A Companion Walid bin Uqba lead the prayer while he was drunk ایک صحابی نے شراب نے نشے میں صبح کی نماز کی امامت کرادی

Please read the narration in Sahih Muslim that a Companion Walid bin bin Uqba who was the Governor of third Caliph Uthman, he came is the mosque as a drunk. He lead the morning prayer 2 rak'ats while he was drunk and said I can increase more. We know that the Holy Quran already annouced about the same Companion Walid that he is Fasiq. Please read the proof from this link.

http://sunnah.com/muslim/29/60

Walid Drink