POLITICO: Hillary Clinton survived a Super Tuesday scare. But there are five big reasons the former first lady should be spooked by the current trajectory of the campaign. Although the friends did not have details, they believe she may go ahead with the campaign shake-up she had been planning just before her surprise victory in New Hampshire. Her team is girding for trench warfare, telling reporters that the nomination will not be decided until at least the Pennsylvania primary on April 22, if then. MORE