By Dan Weil Cathie Wood says Larry Summers is overly fixated with inflation, and she’s holding fast to her view that we’re suffering deflation. Money manager Cathie Wood was less known until 2017, and in the past five years, which is her favored time horizon, she has underperformed the S&P 500. Meanwhile, Harvard Prof. Larry Summers is one of the foremost economists of his generation, once served as treasury secretary, and called our current bout of inflation before many others did. So whose views on inflation would you trust more, Woods’s or Summers’s? Summers says the Fed must be vigilant an…