New York City mayoral candidate John Liu is the "only candidate who has called for eliminating the Police Department’s stop-and-frisk practice, and increasing the minimum wage to $11.50 per hour, significantly higher than the $9 supported by President Obama. He is also the harshest critic of Mayor Michael R. Bloomberg ; he describes Mr. Bloomberg as a 'grumpy' man who 'checked out a long time ago,' ” reported The New York Times.