McCain treated for viral infection, returns home to Arizona

WASHINGTON (AP) — Republican Sen. John McCain has returned home to Arizona after being hospitalized for a viral infection while battling brain cancer and will miss a crucial Senate vote on the GOP tax package, his office said Sunday.
The 81-year-old senator will undergo physical therapy and rehabilitation at the Mayo Clinic in the state after spending several days at Walter Reed National Military Medical Center in Maryland. In a brief statement, the office provided an assessment from Dr. M