An independent US Senate candidate is convinced he is a victim of sinister political forces in Cambridge City Hall who are demanding he remove an anti-Elizabeth Warren sign that hangs from his campaign bus on Concord Avenue. Shiva Ayyadurai, who began running in the Republican primary but shifted to an independent candidacy late last year, claims in a federal lawsuit, … Continue reading Shiva Ayyadurai has accused Cambridge city officials of having a ‘vendetta’ against him