Is Sen. Rob Portman the odds-on favorite to become Mitt Romney’s vice presidential candidate?

That certainly seems the be the emerging conventional wisdom in Washington, where a recent informal poll of insiders by National Journal showed 58 percent of Democrats and 50 percent of Republicans thought Romney should pick the Ohio senator.

But while insiders know plenty about Portman, many of you probably don’t. In that case, we urge you to check out BuzzFeed’s great list of “15 Genuinely Interesting Things About Rob Portman.”

In other veepstakes news over the past week:

* New Jersey Gov. Chris Christie’s popularity is surging, but he won’t say whether he plans to seek re-election in 2013.

* Former Arkansas governor Mike Huckabee is getting some buzz, for the first time in a long time

* And Rep. Paul Ryan (R-Wis.) is scheduled to deliver an address at the Reagan Library later this month, on May 22.