'Jack and Jill' falls down with a humorless thud

By Sean P. Means Adam Sandler plays dual roles in this comedy — as Jack, a cocky LA ad man with a loving wife (Katie Holmes) and kids, and Jill, his obnoxious and socially awkward twin sister from the Bronx who visits for the holidays — and doesn't ... 'Jack and Jill' falls down with a humorless thud