Madeleine Dean actually said...

I will with somberness of purpose, yet with confidence in our Constitution, be voting no on this amendment and be voting yes on these Articl...

It is unnecessary for the House to go to the court to enforce subpoenas issued pursuant to an impeachment investigation.

The House of Representatives shall choose their Speaker and other officers and shall have the sole power of impeachment.

Who is obstructing Congress? President Donald Trump.