Nearly half of Americans support legalizing marijuana for recreational use and a strong majority believe it should at least be available for medical reasons, according to a new poll. The latest Harvard–Harris Poll survey found that 49 percent of Americans polled believe marijuana should be legalized for both medical and personal use. Thirty-seven percent say it should be legalized solely for medicinal purposes, meaning that 86 percent of respondents support legalizing the plant in some form...