Heart Health: Symptoms of Heart Disease and Heart Attack Heart attacks symptoms vary greatly for men and women, from anxiety and fatigue to nausea and sweating. Causes of Chest Pain. Angina Angina is chest pain due to inadequate blood supply to the heart.
In some presidential elections, superdelegates can play a major role in determining the Democratic nominee. Unlike delegates, superdelegates are not bound to represent the popular vote of a region at the Democratic National Convention; they are free to support any candidate for the nomination. The Republican Party does not have superdelegates.
So, 747 of the 5,083 delegates attending the 2016 Democratic National Convention can choose whichever candidate they prefer. Out of 2,470 total delegates at the Republican National Convention in 2016, 437 are unpledged delegates, who play the same role as superdelegates.