Senators urged Treasury Secretary Jack Lew to pressure Europe to cut off Russian banks.
Rubio blasted China for its “one-child policy” on the law's 34th anniversary.
Sen. Schumer called on the DEA to add synthetic marijuana to the controlled substances list.
The senator warned that the U.S. is at risk of becoming exposed to the deadly outbreak.
The senator said the U.S. should supply Ukraine with lethal military aid.
Sen. Sanders said it's unfortunate Republicans block bills aimed at addressing climate change.
A group of Democrats said the U.S. should hold Guatemala accountable for labor law violations.
Sens. McCain and Graham urged Obama not to repeat mistakes made in Iraq.
Sen. Warren and others asked the SEC to issue rules to protect investors.
Grassley said the executive action could deter Congress from passing legislation.