From Jonathan Bernstein, commenting on the selfie/handshake/pissed-off-Michelle frenzy that surrounded the Nelson Mandela memorial:
The evidence strongly suggests that there is, somewhere (at the RNC? Fox News?) a Senior Funeral Exploiter whose job it is to carefully monitor all funerals, memorial services, and other potentially solemn occasions in which Democratic politicians are expected to attend with the goal of finding some "inappropriate" behavior. And once it's identified, it spreads rapidly through the GOP-aligned press.
I'd only add that this is hardly restricted to funerals. But good point anyway!