Liberal filmmaker Michael Moore blasted the Democratic National Committee (DNC) over what he described as its "disgusting" rule changes, saying they might pave the way for billionaire Michael Bloomberg to land a spot on the next presidential debate stage. On Friday, the DNC announced its requirements for the Feb. 19 debate in Las Vegas, increasing the polling threshold in addition to allowing any candidate who has earned delegates in the Iowa and New Hampshire primaries -- but it also eliminated the donor threshold that was previously set for its Democratic candidates. That means Bloomberg, who has been self-funding his campaign,...