Things get ugly when rivalries spill over the line

It’s almost impossible to recall past controversies without wondering how much the Twitter prism would have stirred things up even more.

But if last week’s ESPN 30 for 30 documentary about Tonya Harding and Nancy Kerrigan is anything to go by, there was a special class of pre-social media sporting scandals that careened out of control just fine.

The story of the rival ice skaters shook the world 20 years ago this month.