Bloomberg is rising in polls and just qualified for the debate stage in Nevada, but a question nags: who really wants Bloomberg to be president? Former New York City Mayor Michael Bloomberg’s massive campaign spending—hundreds of millions of dollars and counting—appears to be paying off. One poll this week showed Bloomberg tied with Sen. Bernie Sanders in Virginia, each with 22 percent, and after garnering 19 percent in a national poll released Tuesday, Bloomberg has qualified for the Democratic presidential debate tonight in Las Vegas.At first glance Bloomberg’s poll surge suggests the New York billionaire has a real shot at...