Daniel McConnell: Where did it all go wrong for Fianna Fáil's golden boy Jim O'Callaghan?

Fianna Fáil TD Jim O'Callaghan in the RDS after being re-elected in Dublin Bay South after the general election earlier this year. It was a disastrous election for the party, as it lost six seats to return just 38. Picture: Leah Farrell/RollingNews.ie

In April 2016, then Fine Gael health Minister Leo Varadkar arrived at the South Dublin home of Fianna Fáil TD Jim O’Callaghan.

The two were not friends.