With their signature priority - health care legislation -stalled and voter anger and mistrust of Washington accelerating, House Democrats are moving to Plan B: Introducing a slew of smaller initiatives meant to put Republicans on the spot as incumbents enter a volatile campaign season. Democrats, who return with their Republican counterparts from a weeklong recess tomorrow, expect to take up a limited bill to remove the antitrust exemption health insurers have enjoyed for many years, a move Democrats say will stop collusion during the setting of premiums. Consideration of other tightly focused health care bills, such as allowing parents to...