<p>WASHINGTON -- Legislation that would block most lawsuits against the gun industry for harm caused by misuse by others of firearms or ammunition has passed the U.S. House with healthy prospects for approval in the Senate.</p>
<p>Many Senate Democrats, led by California's Sen. Dianne Feinstein, are vowing a spirited campaign to scuttle the legislation, saying it would give the gun industry unparalleled protection from lawsuits.</p>