The D.C. Council is considering legislation that would prevent vendors such as gas stations and liquor stores from buying and selling items that could enable illegal drug use. The proposed legislation, which amends drug-paraphernalia legislation passed in 1982, would make it illegal to sell cigarette rolling papers or cigar leaf wrappers in stores that make less than 5 percent of their revenue from the sale of tobacco. "There are some things that are normally only used for illegal drugs," said council member Phil Mendelson, an at-large Democrat who is running for re-election. "We want to make it illegal for users...