Update, Sept. 21, 2015: Scott Walker has decided to end his 2016 presidential bid.
Wisconsin Gov. Scott Walker is poised to join the ever-expanding field of Republican candidates running to become the next president.
Polls indicate Walker is an instant top-tier contender for the GOP nomination. And he’s certainly a tough campaigner, having prevailed in a 2012 recall election — the first governor in U.S. history to survive such a vote.
Here's more about the financial history of a man who could become the first person since Harry Truman to win the White House, but not have a college degree: