Grassley said the executive action could deter Congress from passing legislation.
Sen. Brown demanded that Congress make it easier for heroin addicts to get treatment.
Leahy said when Congress returns in November, it should pass bills addressing the DNA backlog and provide bulletproof vests for cops.
The senator's bill aims to increase public awareness and access to emergency contraception.
Boxer blasted the NFL commissioner for not announcing a "zero-tolerance" domestic violence policy at his press conference.
The senator's bill would increase the estate tax on millionaires and billionaires.
Senate Republicans warned Secretary of State John Kerry not to make any nuclear concessions to Iran.
“The constitutional right of a citizen to own a firearm has nothing to do with race or ethnicity,” Blunt said.
The Senate passed a bill that stops the IRS from taxing tribal welfare benefits.
The senator's bill would require the CBO to give all legislation a carbon score.