Image by Gage Skidmore in Wikipedia Many viewers noted that presidential nominee, Hillary Clinton , constantly cleared her throat during her speech at the Democratic National Convention on July 28, 2016 (watch video below). About 22 times in fact. Media have noted that this throat problem has been going on for far longer... since January 2016. Why is she clearing her throat so often? Why is she coughing so much? Is it manufactured as some have suggested? Or could there be a medi…