Biden, lone top 2020 Democrat to oppose federal marijuana legalization, cites 'gateway drug' concern USA TODAYBiden says he won't legalize marijuana because it may be a 'gateway drug' | TheHill The HillAOC tweets in favor of legalizing pot -- day after skeptical Biden says he wants more data Fox NewsCiting debunked “gateway drug” myth, Joe Biden comes out against legalizing marijuana SalonJoe Biden worries marijuana is a 'gateway drug,' won't yet back federal legalization AOLView full coverage on Google News