House Speaker Mike Johnson (R-Louisiana) enjoyed a major victory when lawmakers — including a long list of Democrats — decisively voted down Rep. Marjorie Taylor Greene’s (R-Georgia) proposal to oust him from that position. It remains to be seen whether Republicans will keep or lose their small House majority in the November elections, but for now, Johnson’s speakership appears to be safe. However, Johnson is still facing his share of challenges. According to Punchbowl News reporters Jake Sherman and John Bresnahan, three “leading members” of the speaker’s policy team will be leaving “by the e…