Welcome back to The Week in Weed, your source for what’s happening in the world of marijuana.

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“Pennsylvania is a pen stroke away from legalizing medical marijuana.” In a story we’ve reported on before, Pennsylvania will become the 24th state to approve the use of cannabis for medical purposes, when the governor signs the bill on Sunday, April 17.

Comparing legal marijuana sales to the annual revenue of nine popular food and beverages brands proves to be no comparison at all.

Speaking of the intersection of banking and marijuana, MassRoots, a social network for cannabis users, is making a another stab at an IPO. It’s the second try to take the firm public on the Nasdaq; their first effort failed due to lack of a bank underwriter. Now they’re backed by investment banking firm Chardan Capital Markets.