related_tweet: @musingmaryann @weinsteinlaw @projectlincoln @joebiden @gabbygiffords @lucymcbath @teddeutch @fred_guttenberg @alyssa_milano @bradleywhitford 2/ most "law abiding gun owners" support background checks &amp; stricter gun laws. 80% of nra membership said they supported that too. republicans in congress won't act because they get money from the gun lobby, including the nra, which since 1977 represents...