Three men were accused of trying to threaten voters and block poll and campaign workers by the threat of force -- one even brandishing what prosecutors call a deadly weapon. Charges brought against three members of the New Black Panther Party for Self-Defense under the Bush administration have been dropped by the Obama Justice Department, FOX News has learned. The charges stemmed from an incident at a Philadelphia polling place on Election Day 2008 when three members of the party were accused of trying to threaten voters and block poll and campaign workers by the threat of force -- one...