After months of flirting with a bid, Donald Trump announced Monday that he's sticking to the world of business. Trump is the second republican to bow out in just a few days. Former Arkansas governor Mike Huckabee joined the sidelines over the weekend. For those who are planning to make a run for the White House, the focus now is on raising votes and cash. Some political observers expect next year's election to cost a staggering $3 billion.