Rupert Murdoch took some swipes at Mitt Romney over Twitter on Sunday.
Murdoch, who has weighed in with his thoughts on the Republican primaries and the race for the White House before, posted two tweets about the presumptive GOP nominee:
That's a sharp contrast with Murdoch's previous praise for Rick Santorum, who he said was the "only candidate with [a] genuine big vision for [the] country."
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