Canada Has Legalized Marijuana. Here’s What That Means For American Travelers

Recreational marijuana is now legal across Canada, giving millions of people the right to buy, carry and grow cannabis.

The country's new federal cannabis act went into effect Wednesday, legalizing use for adults 18 or 19 and up, depending on the province. The change raises questions for U.S. travelers eager to hightail it across the border and light one up. But take note: people returning to the U.S.