By Robert Cyran
The author is a Reuters Breakingviews columnist. The opinions expressed are his own.
A PepsiCo breakup looks like a matter of time. Investors with a hankering for corporate restructurings have taken stakes in the $128 billion snacks and drinks conglomerate. Splitting the two operations in some way would be straight out of their standard playbook. Though the company has opposed such efforts in the past, the success of Nelson Peltz at Cadbury and his interest in another food biggie, Mondelez, may be hard to resist.