A Bronx woman was charged with attempted murder for allegedly shooting her husband in the head and leaving him clinging to life, cops said. Johanna Pagan-Alomar, 52, allegedly shot her 53-year-old hubby inside their home on Grand Avenue near West 176 Street in Morris Heights around 7:10 a.m. Tuesday, police said. Johanna Pagan-Alomar, 52, allegedly shot her husband inside their Morris Heights home Tuesday morning, police said. Google Maps The wounded man was taken to St. Barnabas Hospital, where his condition is considered very critical. Robert Mecea He was rushed to St.…