Question:
well it's not now what year are we talking about

Does it follow that "What century are you referring to?"?
Answer:
no

Question:
Browse around the shops, however, and you may find an appealing piece of old ironwork or hand carving.

Does it follow that "It's impossible to find hand carving in shops."?
Answer:
no

Question:
Looking back, Zucker said he doesn't regret his decision to dedicate his career to defending the poor.

Does it follow that "Zucker hasn't made a lot of money dedicating his career defending the poor. "?
Answer:
it is not possible to tell

Question:
And sky has no inertia until it is contaminated by contact with the ground.

Does it follow that "The sky always has inertia."?
Answer:
no