I certainly have no evidence, as I mentioned I completely stopped reading it when Murdoch took over. Perhaps he will allow it to maintain it's quality. I've followed him for years, he used to own the South China Morning Post, at one point one of the few english papers available in Hong Kong. His flip flops with respect to the chinese government have certainly convinced me we don't share a lot of values.
I don't really watch TV at all, but occasionally view Fox in airports and such to keep up with what is on TV. I'm amazed that a lot of people actually watch that sort of thing as serious news.
Is there evidence of inaccurate reporting at the WSJ, or are you just basing this on the fact that Murdoch also owns Fox News?