Brian Topp is the next NDP leadership candidate to answer your questions, here on babble, on February 22nd, 2:30pm EST, 11:30am PST. Babblers were asked a while back to submit questions about his candidacy and his vision for Canada. You can find that thread here.
Please feel free to add more questions in this thread, give your approval of previous questions, and variously discuss Topp's upcoming appearance.