What's the latest on the effort to overturn Utah's Prop. 4 gerrymandering law?

Are you reading the news about an effort by Utah Republicans to repeal Proposition 4, the state’s ban on gerrymandering, but still have some questions? You’re not alone. So at 1 p.m. Tuesday, The Salt Lake Tribune's Jeff Parrott and Robert Gehrke will host a YouTube livestream to answer your questions about Prop 4, the repeal effort and the long history of the anti-gerrymandering effort in Utah. Have Republicans gathered enough signatures to ask Utahns to repeal Prop 4? Why did they have to collect signatures in the first place? When will the counting stop? What’s gerrymandering? We’ll try to answer all of these and more.