Amid extraordinary political developments for the U.S., Chicago-based business mogul Sam Zell tells TheStreet he sees “staggering economic opportunity” for the nation under the presidential authority of Donald Trump. Trump’s vow to cut government regulation that he calls “excessive” could lead to “a $1 trillion of stimulus without spending anything, while Obama added $1 trillion to U.S. debt” to prop up the U.S. economy, Zell said.