Robert F. Kennedy Jr.’s longshot presidential bid was dealt a massive blow this week after a judge ruled his name should not appear on New York’s ballot after he falsely claimed a residence in the state on nominating petitions. Kennedy lives in California and if the judge’s decision is upheld, it would not only keep Kennedy off the ballot in New York but could also lead to challenges in other states where he used an address in New York City’s suburbs to gather signatures. “The Democrats are showing contempt for democracy,” Kennedy said in a statement, noting the ruling judge is a Democrat. “Th…