A Kansas City-area businessman pleaded guilty in federal court Tuesday for failing to pay more than $1.4 million in payroll taxes.

Randy K. Small of Lexington, Mo., owns RSB Leasing, a transportation business that provides school bus service to school districts in Missouri. The business operated under three different names, and Small neglected to pay employment taxes in full for those three businesses. Small admitted that he failed to deposit the Federal Insurance Contributions Act and Medicare…