The legislation comes in response to a string of high-profile security incidents.
A gunman shot 11 people in a Lafayette, La. movie theater last week.
Keith Laing 07/27/15 03:20 PM EDT
The House is balking at a multi-year Senate highway bill.
Keith Laing 07/27/15 03:05 PM EDT
The House has warned it will not take up the Senate bill.
Keith Laing 07/27/15 02:25 PM EDT
Lawmakers are up against a Friday deadline for renewing road funding.
The senators' proposal would effectively limit the bill to three years.
Shooting suspects in South Carolina and Louisiana bought guns despite questionable legal histories.
He accused the administration of putting politics ahead of human rights.
Senators could vote Monday on attaching the Export-Import Bank to the highway bill.
The clock is ticking to renew highway funding before lawmakers leave for the August recess.