Rob Portman to play Obama for Mitt Romney's debate preparation | US elections 2012 | The Guardian
Sen. Rob Portman not interested in V.P. - WFMJ.com
Who is Rob Portman: Worked for two Bush presidents then became senator
Portman, once seen as VP contender, praises Ryan - WFMJ.com
Rob Portman | Alliance to Save Energy
Jonathan Petuchowski: J.D Vance follows Trump's hate-mongering steps
The loyal soldier: Rob Portman's service to GOP almost made him VP pick in 2012
Sen. Rob Portman still won't call Joe Biden “President-elect” - cleveland.com
Portman for (vice) president - POLITICO
Rob Portman won't run for president, but he's still one to watch - CSMonitor.com
Vice President Contender: Is Rob Portman the Answer to Republicans' Palin Problem? | TIME.com
President Bush Participates in Swearing-In Ceremony for Rob Portman as OMB Director
Sen. Rob Portman announces he won't seek re-election - cleveland.com
Who is Rob Portman? The 'Anti-Palin' of VP Picks, 'Confident Enough to Be Humble' - ABC News
Rob Portman - Wikipedia
Rob Portman and His Brave, Gay Son | The New Yorker
At the Top of Romney's VP Short List: Rob Portman | The Fiscal Times
Former VP likes Ohio Sen. Rob Portman as Trump's running mate | WNWO
Rob Portman | Biography & Facts | Britannica
Sen. Rob Portman - Republican Accountability Project
Ohio Republican sen. won't support Jackson to Supreme Court
Portman 'not interested' in Trump VP slot- POLITICO
Rob Portman - Wikipedia
Portman's exit signals uncertainty for Senate GOP - POLITICO
