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Ron & Christina of 'The Amazing Race: Unfinished Business'
Why CBS says they're returning for "Unfinished Business": After struggling during their final leg in Alaska, Ron and Christina finished in 2nd place to TK and Rachel.
Why we're happy to have them back: Christina's efforts to prove herself to her father were fodder for many warm-and-fuzzy and tear-filled moments in their season. Nothing wrong with bringing back this emotional pair.