Those old enough will recall that when Bill got caught lying about having sex with Monica Lewinski they suddenly rediscovered their great devotion to the church and made a big news event out of going to church together as a family, looking pious for the news cameras.
August 15, 1998 - Photo of Bill and Hillary leaving church together.
August 17, 1998 - Bill Clinton becomes the first sitting president to testify before a grand jury investigating his conduct.
After the questioning at the White House is finished, Clinton goes on national TV to admit he had an inappropriate relationship with Monica Lewinsky after repeated denials, even while under oath.
"Chronology: Key Moments In The Clinton-Lewinsky Saga"
http://www.cnn.com/ALLPOLITICS/1998/resources/lewinsky/timeline/