Months of text messages between Sen. JD Vance (R-Ohio) and a far-right activist offer a revealing look at former President Donald Trump’s 2024 running mate and his close ties to the extreme fringe of the GOP. The Washington Post reported Wednesday that 35 year-old Charles Johnson — a member of the alt right and Holocaust denier who later became a federal informant — leaked his texts via the encrypted messaging app Signal with the Hillbilly Elegy author to the publication dating back to 2022. The Post reported that Johnson positioned himself as a “mentor” to the Ohio Republican, telling him the…