Hillary Clinton, Obama, and Tim Pawlenty have changed their normal speech pattern when speaking before certain audiences. Tim Pawlenty and Hillary Clinton admitted doing so. A US House member used a mock southern accent to ridicule Tea Party supporters.
9/25/11, "MSNBC Panel Accuses AP Report Of Racism For Dropping Gs From Transcription Of Obama’s Speech To The Congressional Black Caucus…," Weasel Zippers
4/27/07, "Hillary Clinton Defends Southern Accent on Campaign Trail," AP
Following from March 2007, Hillary Clinton speaking at a black church:
"Democratic presidential hopeful Hillary Rodham Clinton said Friday she sees her sometimes Southern accent as a virtue.
"I think America is ready for a multilingual president," Clinton said during a campaign stop at a charter school in Greenville, S.C.
The New York senator — who said she's been thinking about critics who've suggested that she tried to put on a fake Southern accent in Selma, Ala. — noted that she's split her life between Arkansas, Illinois and the East Coast.
Clinton added a Southern lilt to her voice last week when addressing a civil rights group in New York City headed by the Rev. Al Sharpton. On Monday, dealing with a microphone glitch at a fundraiser for young donors, she quoted former slave and underground railroad leader Harriet Tubman."...
3/9/11, Dana Milbank of the Washington Post chided Pawlenty for his southern accent.
3/21/11, "Pawlenty Admits Adopting Phony Southern Accent, Says He Does It All the Time," American Spectator, Paul Waldman