NEW : Vice President Biden takes part in an online debate on gun violence . Sen. Feinstein speaks of an ` ` uphill road '' to get her proposal passed . The NRA says it is ` ` confident '' Congress ' n't pass Obama 's proposal . The proposals came almost six weeks after the Newtown school massacre .
NEW : Vice President Biden takes part in an online discussion on gun violence . Sen. Feinstein warns of an `` uphill road '' to get her proposal passed . The NRA says it is `` confident '' Congress wo n't pass Feinstein 's measure . The proposals come almost six weeks after the Newtown school massacre .