Alaska's Governor Sarah Palin is expected to travel widely, campaigning for Republican candidates after startling America by suddenly quitting her job. One of America's most unconventional politicians, she left the country reeling on Friday evening by declaring that she is resigning her office this month and deriding the "superficial political blood sport." Almost a year after bursting on to the national scene as John McCain's presidential running mate, Mrs Palin, 45, has now made an unpredictable leap into the unknown. Speculation is at fever pitch that she will seek her party's nomination for the 2012 presidential race. Mrs Palin offered...