Remarks begin on video at 5:30 mark.
Sen. John McCain (R-Ariz.) advised presumptive GOP nominee Mitt Romney to find a running mate who would be "well qualified" to assume the presidency.
"I think it's a person that he knows he could trust, and the primary, the absolute, most important aspect is, if something happened to him, would that person be well qualified to take that place?" said McCain on ABC's This Week when asked to weigh in on Romney's vice presidential selection process.
"I happen to believe that was the primary factor in my decision in 2008," McCain added. "And I know it will be Mitt's."
McCain selected former Alaska Gov. Sarah Palin as his running mate in 2008.
Last month, McCain jokingly suggested that Romney should consider Palin to join him on the ticket as well.
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Asked by CBS This Morning host Erica Hill if he agreed with Palin's advice that Romney should "go rogue" with his selection, McCain laughed and said, "I think it should be Sarah Palin."
On Sunday, McCain did not specify a favorite for the position, but said Romney would said Republicans had "a very deep bench" for him to choose from.
The Arizona senator is a vocal supporter of Romney's presidential bid.
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