The Democratic Congressional Campaign Committee (DCCC) is employing an unusual tactic to blunt what they say is Republican meddling in their primaries: They have teamed up with the candidates they see as the "strongest" in key battleground districts, launching joint ad buys to squeeze out their Democratic primary opponents. Why it matters: This practice has infuriated parts of the party, particularly the progressive wing. "If DCCC were a good judge of electability, then we wouldn't be in the