PoliticsBy , , PHILADELPHIA (Reuters) - Here in the birthplace of American democracy, election officials are scrambling to prepare for a presidential vote they fear could plunge the nation into a historic political crisis.Philadelphia’s Board of Elections plans to move its counting operations to a 125,000-square foot space in the city’s convention center. Dozens of staffers, feeding expensive new machines to open envelopes and process mail-in ballots, will spend days tallying hundreds of thousands of votes - under intense scrutiny from partisan observers. The workers likely will discard...…PoliticsBy , , PHILADELPHIA (Reuters) - Here in the birthplace of American democracy, election officials are scrambling to prepare for a presidential vote they fear could plunge the nation into a historic political crisis.Philadelphia’s Board of Elections plans to move its counting operations to a 125,000-square foot space in the city’s convention center. Dozens of staffers, feeding expensive new machines to open envelopes and process mail-in ballots, will spend days tallying hundreds of thousands of votes - under intense scrutiny from partisan observers. The workers likely will discard...WW…