The Los Angeles County Board of Supervisors on Tuesday placed on the June ballot a proposed temporary half-cent sales tax increase to fund the county’s struggling health care system, which has been hit hard by federal funding cuts.

<p>The Los Angeles County Board of Supervisors on Tuesday placed on the June ballot a proposed temporary half-cent sales tax increase to fund the county&rsquo;s struggling health care system, which has been hit hard by federal funding cuts.</p>