This year also marks the first time that three different Republican candidates have won the first trio of contests — still further evidence of how unsettled and dissatisfied the party’s voters are in a year when they are anxious to unseat a vulnerable incumbent president.

Newt Gingrich wins South Carolina primary

White House Chief of Staff Bill Daley resigns

Michele Bachmann drops her bid for the White House

Mitt Romney wins Iowa Caucus

Rick Santorum finishes a very close second