Angular support is currently broken with MultiSelect.
For reference, refer to the current official demo at: http://demos.telerik.com/kendo-ui/multiselect/angular
The pre-selected items are not shown on load and when a new item is selected, the bound value is incorrect, showing the entire model.
Also, when binding directly to primitive values, such as a DataSource with just an array of strings, the kendo.angular.js file throws an error in the following function:
The problem is that "item" is a string, and doesn't have a toJSON method on it.