House Minority Leader Hakeem Jeffries (D-N.Y.) called on Senate Republicans on Friday to act as a check on the incoming Trump administration — a response to a handful of controversial Cabinet nominations announced by the former president this week. Jeffries declined to weigh in specifically on President-elect Trump’s list of picks, which includes two of Jeffries’s former House colleagues: Matt Gaetz (R-Fla.) and Tulsi Gabbard (D-Hawaii), nominated to become attorney general and director of national intelligence, respectively. But he strongly suggested they, and other Trump selections, are unfit to command the agencies they’ve been tapped to lead, and he urged...