[2] Remaining in Calaveras County, Johnston became active in local Democratic politics, and became friends with John Garamendi.

Johnston then met Margaret Mary Nevin, a law student, and moved with her to Stockton, California.

After returning from the DNC, Johnston resumed work as a probation officer and wrote columns on politics for a local newspaper.

Johnston was then asked to serve as campaign manager for John Garamendi's run for California State Assembly.

Requesting a re-count, Johnston was declared the winner; with the Republicans taking the matter to court, where the case was dismissed.