Rep. Lance Gooden (R-Texas) grabbed a protest sign from the hands of Rep. Melanie Stansbury (D-N.M.) ahead of President Trump's address to Congress in the House chamber. One expert weighs in on the stunning moment.

Rep. Melanie Stansbury (D-N.M.) said during an interview that her “This is not normal” sign she held up near President Trump right before his Tuesday night speech to Congress was an “SOS to the

Stansbury's sign read 'This is not normal' and was shown as Trump was ushered toward the front of the House Chamber.