<p>Nearly all of us will, at some point, know someone who was born with a heart defect. But, as the surgical scars so often remain hidden, we just might not realise it.<br>Powerfully telling of the patients and their experiences, Open Hearts is a remarkable medical story: we are often so focused on 'extraordinary' people and their achievements, we forget just how incredible the 'ordinary' achievements of living can be.<br>Unti...