Explained: After their midterm win and Stephen Miller’s promotion, Democrats gear up for a fight on immigration

Democrats won overwhelming victories in the midterm elections this week

ICE

Immigration and Customs Enforcement, the federal agency responsible for immigration arrests and deportations

DHS

Department of Homeland Security, the federal agency overseeing immigration enforcement

shadow hearings

Unofficial hearings held by minority-party lawmakers without subpoena power, used to highlight issues outside formal committee proceedings

subpoena

A legal order compelling a witness to testify or produce evidence, which the minority party lacked power to issue

comprehensive immigration reform

Broad legislative overhaul of immigration law, including pathways to citizenship, last seriously attempted in 2013