The former special counsel, Robert S. Mueller III, testified on Wednesday before Congress. He declared that his two-year investigation did not exonerate President Trump and that Russia would meddle again in American elections. Guest: Michael S. Schmidt, who has been covering the special counsel investigation for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.  Background reading:Lawmakers hunted for viral sound bites and tried to score political points, but Mr. Mueller consistently refused to accommodate them in his long-awaited appearance before Congress.Here are seven takeaways from the hearings.