You show no evidence for Gingrich having sex with Calista while married, yet you ignore a report of the Karen Santorum having an affair with a married abortion doctory.
Hypocrisy
""There were times when I was praying and when I felt I was doing things that were wrong. But I was still doing them," Gingrich said during the interview. "I look back on those as periods of weakness and periods that I'm not only not proud of, but I would deeply urge my children and grandchildren not to follow in my footsteps."
The affair has been written about many, many times and neither one has denied it. There's no reason to think their affair did not happen.
Meanwhile there is one story about Karen Santorum in the Daily Mail and we're supposed to immediately believe it hook, line and sinker?
“Detraction is the unjust damaging of another’s good name by the revelation of some fault or crime of which that other is really guilty or at any rate is seriously believed to be guilty by the defamer. .....a violation of the virtue not only of charity but also of justice. ,,,,,,Journalists may lawfully present whatever information about the life or character of a candidate for public office is necessary to show his unfitness for the station he seeks. “