\"NCIS\" actor Mark Harmon has been voted \"America\'s Favorite TV Star\" for a second consecutive year by participants of a recent Harris Poll. Ellen DeGeneres of \"The Ellen DeGeneres Show\" and Jon Stewart of \"The Daily Show\" ranked Nos. 2-3 in the poll for which 2,237 adults were surveyed online between Dec. 5-12, 2011. Fox News commentator Bill O\'Reilly is No. 4, \"The Tonight Show\" emcee Jay Leno is No. 5, \"Late Show\" host David Letterman is No. 6, former \"The Oprah Winfrey\" host Oprah Winfrey is No. 7, \"House\" star Hugh Laurie is No. 8, Jim Parsons of \"The Big Bang Theory\" is No. 9 and \"The Colbert Report\'s\" Stephen Colbert is No. 10.