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Top Lines: Gun reform advocates tell GOP ‘show some guts’, ‘shame on you’
Sen. Dianne Feinstein, D-Calif., tells her fellow senators to “show some guts” on gun control; Vice President Biden presides over the Senate; President Obama lashes out at the gun control lobby from the Rose Garden; one VA Tech mother shouts “Shame on You!” from the Senate gallery on today’s “Top Lines.”