Top Stories:  The parks board in St. Louis is considering whether to remove a statue of Christopher Columbus which was splashed with red paint by vandals last year.  KMOV reports supporters of ‘Indigenous People’s Day’ believe  Columbus should not be celebrated for discovering America.  And Americans for Prosperity in Missouri has launched a $2.1 million ad campaign against Democratic Senator Claire McCaskill.  The television and digital ad campaign from the Koch Network funded group criticizes the  McCaskill for her support of former President Barack Obama’s health care law.