The British company Focaldata conducted a poll using a new methodology that some say is the most accurate. Preliminarily, it predicts Kamala Harris will win the US presidential election, Politico reports. The public opinion polling company has surveyed more than 31,000 voters across the United States over the past month. The survey was of an innovative type called MRP, which has become influential in the UK in recent years. Combining the MRP results with large-scale online polling in swing states, Focaldata estimates that Harris is likely to win in Michigan by nearly 5%, in Nevada by about 2% …