The latest news on Senate
Conservative pro-reform groups urge Cruz to be constructive on immigration plan.
Gun debate is not moving forward, Toomey says.
Restaurant owners laud electronic verification system ahead of Senate, House legislation.
New law would make it easier for states to collect sales tax online.
Senators hope for wide margin of passage to give bill fighting chance in the House.
GOP fears immigration bill could morph into Obamacare-style monster bill.
The Senate will not take up the controversial cybersecurity bill, is drafting separate legislation.
Rep. Matt Salmon previously pledged to serve only three terms.
After Boston, lawmakers see case for use of drones to kill Americans.
The Boston bombing could slam the brakes on the Senate's immigration reform effort.