If he's canvassing for Democrats in Snellville, he's likely to be be in pretty heavily minority-dominated neighborhoods anyway. Also, Georgia has a state law against door-to-door solicitation (and while political campaigns and religious campaigns are exempted), political canvassers often get harassed due to the law.
Many people know that door-to-door solicitations for the sale of commercial products and services are tightly controlled. What isn't so well known is that political canvassing and religious proselytizing are not illegal and have protection under the First Amendment.
