WASHINGTON - FEBRUARY 26, 2008:  (FILE) Alaska Gov. Sarah Palin (R) attends a news conference with victims of the Exxon Valdez oil spill at the National Press Club February 26, 2008 in Washington, DC. A major news network says it has confirmed that Palin will be named presumptive Republican presidential nominee John McCain's choice for vice presidential running mate. Getty Images logo Getty Images 48 months ago

WASHINGTON - FEBRUARY 26, 2008: (FILE) Alaska Gov. Sarah Palin (R) attends a news conference with victims of the Exxon Valdez oil spill at the National Press Club February 26, 2008 in Washington, DC. A major news network says it has confirmed that Palin will be named presumptive Republican presidential nominee John McCain's choice for vice presidential running mate.