By Justin Sink
"Yes," Romney quipped, drawing laughs from the crowd.
But Romney provided little insight beyond that, telling supporters at the Colorado event he couldn't provide more of a timeline on his vice presidential selection.
Instead, the Republican hopeful simply pledged that "the person I choose you will look at and say 'that person could be president if necessary.'" But who that person could be remains the subject of intense speculation.
Among the possibilities: Sen. Marco RubioMarco RubioOvernight Healthcare: First House Republican backs Obama Zika request Time to wake-up to the Venezuelan Crisis First GOP rep backs Obama’s Zika funding request MORE (R-Fla.), who Romney himself confirmed was under consideration, and Sen. Rob PortmanRob PortmanFreedom Partners Action Fund launches ad buys in Wisconsin, Nevada The Trail 2016: One-on-one, do-or-die? Ex-primary opponent endorses Strickland in Ohio MORE (R-Ohio), who told ABC News earlier this week that he had met multiple times with Romney's vetting team.