Reflecting on the Halifax Seaport Farmers' Market's opening day (previous posts here and here), Contrarian reader Jeff Pinhey writes: You are kidding me.  An American Homeland Security regulation, the one requiring a Port Security plan in all ports with ships leaving for a US port, causes that silliness?  Let me see, if I were a terrorist trying to sneak into Canada so I could board a ship bound for the states, and I could get as far as the waterfront in front of the market, I certainly could get as far as...