Sen. John McCain’s return to Washington during key legislative deliberations has been curbed in part by concerns over the deadly flu season, his daughter Meghan said Wednesday. In an interview with Politico’s “Women Rule” podcast, the Arizona Republican’s daughter said her father, recovering from chemotherapy for aggressive brain cancer and a viral infection in December, is taking precautions that are keeping him in Arizona. “Part of the problem, too, is like it’s this deadly, crazy flu season,” said Meghan McCain, a co-host of “The View” on ABC. “And his immune system is so down, everybody is worried about him getting...