Viewers tuning into the Republican National Convention have heard Ann Romney speak lovingly of her husband and New Jersey Gov. Chris Christie pledge “a new era of truth telling.” What they haven’t heard is talk of offshore tax havens, Missouri Senate candidate Todd Akin, or questions about President Barack Obama’s birthplace – the kind of divisive issues that have bedeviled Mitt Romney in the weeks before formally accepting his party’s presidential nomination…

Here’s a look at what has gone missing so far at the Republican convention, and clues as to why…