With just a few primary elections to go, the competitive Senate map keeps shifting - NPR

With just a few primary elections to go, the competitive Senate map keeps shifting  NPRPolling Flips Against Republicans in Four Critical Midterms Races  NewsweekScoop: Democrat Senate Super PAC targets 4 Republican seats  AxiosThe Memo: Democrats confident about Senate despite Platner, left-wing drama  The HillRon Faucheux: U.S. Senate control hangs on these four states  NOLA.com