A Link to the Past
Banned
Eh, then next week another group of single-issue hecklers shout him down, then another, and so on. All you do is encourage being interrupted.
At some point you need to address the top-ten issues people care about: jobs, the economy, etc. Boring as they may be, that's how most people determine their vote.
"single issue"
While yes there is "one single issue", that single issue has many issues under it. You make it seem like being a single issue makes it small. The economy is also a single issue in the grand scheme of things too.