New Mexico Gov. Michelle Lujan Grisham (D) is statistically tied with Republican challenger Mark Ronchetti in the state’s latest gubernatorial poll. The poll, conducted by GQR Research/EDF Action, shows Grisham leading by about four percentage points with 48 percent compared to Ronchetti’s 44 percent. The margin of error, though, is +/- 4.4 percentage points — putting…