Can Sanders or O'Malley win? Yes. How? Basic math.

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71. According to the OP Obama was "vastly" outspent by Romney and co.

However, OpenSecrets says that even including outside groups (i.e., groups other than the candidate's committee and the party committee), out of a combined total of over $2.3 BILLION spent on the 2014 election, Romney's team outspent Obama's team by around 5.5 percent -- hardly a "vast" advantage.

Plus, consider the fact that Obama's nearly $250 million advantage in money that his campaign spent v. money spent by Romney's campaign was nearly offset by the over $285 million advantage in outside spending that Romney had over Obama. Sanders would be fortunate indeed to have as large an advantage in campaign spending over his repub opponent and a virtual certainty that outside spending will be tilted even more dramatically in favor of the repub candidate.

Money does matter. It would be foolish to think otherwise.