60 Minutes is a long-running news magazine TV show.
Pastrami is a type of smoked/cured meat found most often in delicatessans in the US. It is used to make sandwiches. (It's high in cholesterol, so very unhealthy, but oh so delicious!!) In Canada, they call it "smoked meat."
A May West is a cream filled dessert cake popular in Canada. It has chocolate frosting, though, which Twinkies don't. Twinkies are cream-filled sponge cakes, and are especially popular with kids (it's easy to carry a Twinkie or two in with your packed lunch to have for dessert).