Do speaker cables need a burn in period?


I have heard some say that speaker cables do need a 'burn in', and some say that its totally BS.
What say you?


128x128gawdbless
Post removed 
Uh, oh, looks like someone just experienced the famous glubson wit and irony. In fact this whole thread has become a study in wit. Or half of one anyway.
Can I only use the original silly putty or can I use some of the newer glow in the dark types? If I mix it with graphene will it work better? Graphene seems to make everything audio better?