The second, from Sen. Jim Webb (D-Va.), would establish the National Criminal Justice Commission. Both amendments need 60 votes for passage.

At 2 p.m., the Senate will vote on four additional amendments from:

Sen. Jeff MerkleyJeffrey (Jeff) Alan MerkleyWashington governor to make Iowa debut Hillicon Valley: Facebook, Google struggle to block terrorist content | Cambridge Analytica declares bankruptcy in US | Company exposed phone location data | Apple starts paying back taxes to Ireland Overnight Energy: Pruitt taps man behind 'lock her up' chant for EPA office | Watchdog to review EPA email policies | Three Republicans join climate caucus MORE (D-Ore.), to prohibit spending on rail projects unless the raw materials are U.S.-sourced;

Sen. Sherrod BrownSherrod Campbell BrownPa. health secretary: 'Sustainable funding' needed to attack opioid crisis The Hill's Morning Report — Sponsored by PhRMA — How long can a Trump-DOJ accord survive? Hillicon Valley: Facebook, Google struggle to block terrorist content | Cambridge Analytica declares bankruptcy in US | Company exposed phone location data | Apple starts paying back taxes to Ireland MORE (D-Ohio), to boost Housing and Urban Development funding by about $7 million;

Sen. Jerry MoranGerald (Jerry) MoranRepublicans think Trump is losing trade war Senators demand answers on Trump’s ZTE deal Senate GOP urges Trump administration to work closely with Congress on NAFTA MORE (R-Kan.), to ensure $8 million is used for the Watershed Protection and Flood Prevention Act; and

Sen. Chuck GrassleyCharles (Chuck) Ernest GrassleyOvernight Health Care — Sponsored by PCMA — House passes 'right to try' drug bill | Trump moves to restrict abortion referrals House easily passes prison reform bill backed by Trump The Hill's Morning Report — Sponsored by PhRMA — How long can a Trump-DOJ accord survive? MORE (R-Iowa), to require an audit of grants awarded by the attorney general, an amendment aimed at increasing accountability following the failed "Fast and Furious" gun-tracking program implemented by the Justice Department.

Several amendments are still in order, but many are likely to be denied a vote as the Senate races to complete work on the spending bill, H.R. 2112, by the end of this week.

Before work on amendments, the Senate will vote at noon on the nomination of Heather Higginbottom to be deputy director for the Office of Management and Budget.