Mankato (KMKO)-A warrant has been issued for the arrest of a North Mankato man already charged in a robbery and beating earlier this month.  25-year-old Ramone LaShawn Williams was released on bail after being charged in the robbery of a Bulova watch and $1,000 from a victim who was hospitalized after an assault.  Yesterday, Blue Earth County Court added several more charges, including one felony count of stalking.  He's also accused of harassment and violating a restraining order.