Transcript for House Democrats inch closer to Trump impeachment
Let's take that to congress and Mary Bruce has more. That was a dramatic escalation from Nancy Pelosi yesterday. Reporter: We are seeing a shift on capitol hill when it comes to the question of impeachment. Even Democrats who so far have been reluctant, this may be changing their calculus and may be at a tipping point. Chairman Adam Schiff is suggesting that the president's actions or that these latest revelations may be so incriminating the house is left with few other options and says they may have crossed the rubicon. Nancy Pelosi did not mention the word impeachment in the letter but certainly is hinting at the possibility. While, George, on the other side Democrats have been pushing for impeachment for some time are growing increasingly frustrated. They are outraged with their own party's muddled response and refaustal so far to impeach. The numbers of Democrats calling for impeachment has been steadily increasing over the last several weeks so facing this big deadline Thursday. The director of national intelligence is supposed to come to capitol hill and you saw Nancy Pelosi's demand for him to release the complaint. If it doesn't happen, what are the other options? Reporter: We're in a little bit of unprecedented territory. Democrats are making it clear they want the whistle-blower complaint and they're going to use every bit of leverage and tool they have available. That includes their power of the purse and possibly fighting this out in court. Now, come Thursday if they don't get the information they want, Democrats could move ahead to subpoena that complaint or the transcript of the president's phone call but, George, all of the plan Bs that are available could be very slow moving and that is only like to add to Democrats' growing frustration. Now to these new fears about
This transcript has been automatically generated and may not be 100% accurate.