POSTED: Wednesday, April 17, 2013 - 9:00am
UPDATED: Wednesday, April 17, 2013 - 9:04am
NBC NATIONAL NEWS — Here's the breakdown, four republicans have said - or suggested - they'll vote for it.
At least two Democrats from conservatives states may vote against it.
So will Republican Lisa Murkowski from Alaska.
Three other Democrats, and four Republicans were unknown, now, Nevada's Dean Jeller says he's voting no.
Emotional pleas came from former congresswoman Gabrielle Giffords and husband Mark Kelly, as they dedicated a room at the capitol to her aide who was killed in the shooting Giffords survived.
"To do everything in his power to ensure that their government was responsive to them will guide their leadership., said Mark Kelly, Giffords' Husband.
Giffords and Kelly promised to campaign for lawmakers under pressure back home.
That amendment expanding background checks is just one of nine scheduled for a vote this afternoon.