California's landlords, who face a possible return of two-month notices to move out long-term tenants, have launched a postcard campaign urging Gov. Arnold Schwarzenegger to veto the idea. Landlords across Sacramento and the state say a one-month notice is enough when asking tenants to leave for no cause. It's used to evict problem renters and to move out tenants for condo conversions and new ownership. "The 30-days notice is one of the few remaining tools that owners and managers have to remove problem residents such as drug dealers and gang members," said Cory Koehler, deputy director of the Rental Housing...