Bill Ward Threatens to Quit Black Sabbath.

I have a good feeling they will reach an agreement and I wouldn't be suprised if this was all set up beforehand to make shock publicity about the reunion.

well now the sabbath shows are canceled. my guess now about bills contract is maybe there was a clause they he had to tour with ozzy (which geezer is right now since sabbath can't tour) and ward didn't want to agree to that
 
I figured the shows would get canceled due to Tony's cancer anyway so I'm not suprised by that one bit. Still after all the smoke clears (if it does), we'll be seeing some Sabbath shows and a new album in the near future.
 
All BS shows in Europe canceled :-/

Indeed.


BLACK SABBATH – who late last year confirmed the recording of their first new album in more than 33 years and a worldwide headlining tour – have had to put some plans on hold due to Tony Iommi’s battle with lymphoma. At this time, Black Sabbath will perform only one show of this summer’s previously scheduled European tour. It will take place Sunday, June 10th at the UK’s Download Festival.

So as not to let the promoters and fans (and loose money for Sharon) down, OZZY OSBOURNE will now perform the majority of the previously scheduled Black Sabbath dates (both festival performances and the headlining shows) billed as OZZY & FRIENDS. These “first ever” Ozzy & Friends shows will feature appearances by “special guest” musicians including GEEZER BUTLER (who will join Ozzy for a special Black Sabbath set as a show of respect and support to their friend, Tony Iommi) and longtime former Ozzy band member ZAKK WYLDE. In addition, Ozzy will be accompanied by longtime collaborator and friend SLASH at select shows, with other “special guests” set to join the tour at various stops along the way.


Tony Iommi continues to make excellent progress and is looking forward to getting back out on the road. Meanwhile, Black Sabbath continue to write and record music in the UK for their upcoming album. More information about these dates and Black Sabbath’s recording and touring plans is forthcoming.

I edited a bit the news.
 
Zakk is seriously one of my favorite guitarists, but Ozzy deemed Zakk's style didn't fit in frigging Ozzy, but somehow it's suited to play Tony Iommi's work? Yeesh. I'll pass.

a) Ozzy does not think, Sharon does it for him.
b) It's all about business.

Like Rob said this kind of move could be expected as the music has nothing more to do but the almighty dollar does.