Portman on GOP VP candidate shortlist?
Potential Mitt Romney running mate could deliver Ohio
POSTED: 4:50 PM PDT August 9, 2012
UPDATED: 5:13 AM PDT August 10, 2012
Senator Rob Portman is the potential Mitt Romney running mate who could help deliver a critical state -- Ohio. John King takes a closer look at what the midwestern politician brings to the table.
