Can the height of humble pot plants in a Grandin Court garden predict the outcome of Roanoke’s three-way race for mayor? Metro columnist Dan Casey wants to find out. Also, he’s offering free marijuana plants* to The Roanoke Times most clever readers.

In case you havent been paying attention, Novembers three-way election for Roanoke mayor is shaping up as an honest-to-goodness humdinger.
Vice Mayor Joe Cobb, the Democrat, is squaring off against …