Most Democratic and Republican members of Congress don’t interact with news sources from across the aisle, according to a new study. While no Democrats interact more than half the time with right-leaning news sources on Twitter, 5.3 percent of Republican members interact more than half the time with left-leaning sources. Republicans with the most left-leaning news diets were Sen. Mitch McConnell (R-Ky.), with 76 percent of interactions with sources from across the aisle, Sen. Lindsey Graham (R-S.C.), 67 percent, and Sen. Marco Rubio (R-Fla.), 65 percent. Democrats with the most right-leaning interactions were Rep. Dina Titus (D-Nev.), 46 percent, Sen. Jacky Rosen (D-Nev.), 34 percent, and Rep. Susie Lee (D-Nev.), at 21 percent right. The average Democrat member of Congress interacted with just four percent of right-leaning news sources and 60 percent left ones; the average Republican’s news diet included 22 percent of left-leaning sources, with the majority coming from …