Instead of their usual deep dive into one subject, Adam Reilly and Peter Kadzis take a different tack in this episode of the Scrum — chatting with their WGBH News colleagues Saraya Wintersmith, Isaiah Thompson, and Mike Deehan about, respectively, how Elizabeth Warren’s playing in Iowa, the still-unfolding scandal inside Boston’s Zoning Board of Appeal, and why a long-awaited hands-free cell phone bill is in limbo at the State House.