Angular: Select value

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.0rc6.min.js"></script>
<div ng-controller="Main" ng-app>
    
    <div>
      <p>Model doesn't get updated when selecting:</p>
      <select ng-model="selection" ng-options="i.id as ( i.id +' '+ i.name) for i in items">
        <option value=""></option>
      </select>
    </div>
</div>

CSS

div {
    margin-bottom: 2em;
}

JavaScript

function Main($scope) {

    
    $scope.items = [{
        id: 'logo',
        name: 'india'},
    {
        id: 'logo',
        name: 'USA'},
    {
        id: 'logo',
        name: 'China'}];
}