US president starting in 2009

• Only U.S. president whose surname is more than 50% vowels
• Controversial 2009 Nobelist
• President who wrote "Dreams From My Father"
• President born on August 4, whose name can be found backward in 17-, 31-, 47- and 63-Across
• "American Grown" author Michelle
• 44th in America
• Michelle with a "Let's Move" campaign
• "Becoming" author
• President sworn in on Lincoln's Bible

Wiktionary Word definitions in Wiktionary
Etymology 1 a. Of or pertaining to the (l en political) (l en figure) and (l en current) (l en president) of the (l en United States of America) http://en.wikipedia.org/wiki/Barack%20Obama. n. 1 (surname African A=An lang=en from=Luo) 2 The (l en political) ...