I'd like to send this letter by usa medical supply Shortly after President George W. Bush underwent surgery for a blocked artery in his heart, daughter Jenna Bush Hager hopped on Twitter to thank followers for their well wishes. "Thanks for your prayers for my dear Dad," she tweeted on Aug. 6, 2013, posting this photo of her father with her infant daughter, Mila. "He's well and we're eager for him to return to Grandpa duty."