This is huge! A new Fox News Poll finds most voters favor the following proposals: -- Requiring criminal background checks on all gun buyers (87%) -- Improving enforcement of existing gun laws (81%) -- Raising the legal age to buy a gun to 21 (81%) -- Requiring mental health checks on gun buyers (80%) -- Allowing police to take guns from those considered a danger to themselves or others (80%) -- Requiring a 30-day waiting period for all gun purchases (77%)