Answers to readers’ queries about the possible reasons a survey could misfire.
Related stories
DC, Virginia Sue to Block Trump’s 250-Foot Arch After Judge Questions Plan
Susan Collins Is Always Keeping Score
Merz ‘surprised’ by Asian pushback to ‘Made in Europe’ plan for car industry
CodePink leader adds muscle to well-funded fight to ban restaurant delicacy
Justice Department seeks to isolate Alaska ballots amid criminal probe over Senate candidate
Democrats Get Triple Boost in Key Senate Battlegrounds Days Before Midterms