WASHINGTON — Progressive Rep. Ilhan Omar on Sunday called it “shameful” that young, healthy lawmakers — such as fellow “Squad” member Rep. Alexandria Ocasio-Cortez (D-NY) — are receiving the coronavirus vaccine before American seniors and frontline workers. The Minnesota congresswoman has joined a growing number of lawmakers who have vowed not to take the miracle Pfizer drug out of concerns they are jumping the line. “It’s now clear that we don’t have enough vaccines for everyone and there is shortage of supply, we have to prioritize those who need it most,” Omar wrote on Sunday. “That’s why it’s disturbing to...