Presidential campaigns can offer great lessons in brand management, and never more so than in the race between Sens. John McCain (R-AZ) and Barack Obama (D-IL). No two politicians have done a better job of brand management than these two. McCain's brand is “experienced maverick” – 26 years in Congress, often taking on the leadership of his own party and championing principled and unpopular causes. Obama's brand is “charismatic change agent” – young, bright, eloquent, and a symbol of a ...