Marijuana goes mainstream with celebrity branding

Snoop Dogg has his own line of marijuana. So does Willie Nelson. Melissa Etheridge has a marijuana-infused wine.

As the fast-growing marijuana industry emerges from the black market and starts looking like a mainstream industry, there's a scramble to brand and trademark pot products.

The celebrity endorsements are just the latest attempt to add cachet to a line of weed. Snoop Dogg calls his eight strains of weed "Dank From the Doggfather Himself." Nelson's yet-to-be-released line . . .