The Pope: No apostolic succession? not valid.
culture July 11th. 2007, 9:40am 
“The other communities “cannot be called ‘churches’ in the proper sense” because they do not have apostolic succession — the ability to trace their bishops back to Christ’s original apostles — and therefore their priestly ordinations are not valid, it said.”
Read more here.
Here are some of the original documents mentioned in the article:
www.kath.net
Dominus-Iesus
