Paperwork delays have forced some Trump confirmation hearings to be postponed, with Republicans blaming bureacracy.

President-elect Donald Trump’s pick to lead the Defense Department sat for a Senate confirmation hearing on Tuesday after hearings for Veterans’ Affairs Secretary nominee Doug Collins and Interior secretary nominee Doug Burgum were postponed.

U.S. Senate Democrats raised concerns Wednesday that Republicans have scheduled a hearing for one of President-elect Donald Trump’s nominees before he completed the necessary paperwork and an FBI background check.

As Senate confirmation hearings begin, here's the latest on who in the Trump administration has, will or doesn't need to be approved.

Utah Sen. Mike Lee announced Monday he had postponed the confirmation hearing for two days for President-elect Donald Trump’s pick to lead the Interior Department.

President-elect Donald Trump's Cabinet picks will undergo Senate confirmation hearings this week, starting on January 14.

Energy committee chairman Sen. Mike Lee postponed Burgum's hearing, saying his paperwork was unnecessarily delayed.

Collins is a former U.S. senator for Georgia ... Director of Office of Management and BudgetJan. 1610 a.m.: Doug Burgum, Secretary of the Interior (rescheduled from 1/14) 10 a.m.: Lee Zeldin ...

Senate Committee on Energy and Natural Resources hearing on nomination of Doug Burgum to be secretary of the interior.

The former North Dakota governor told senators at his confirmation hearing that he saw limits on energy production as a national security threat.

Some are expected to have smooth confirmation paths, like Sen. Marco Rubio for secretary of state, while others, like defense secretary pick Pete Hegseth, face headwinds.

Former North Dakota Gov. Doug Burgum is due before a Senate committee as lawmakers consider the Republican’s nomination to be chief steward of U.S. public lands.