'My ear is still ringing from the gunshots': Witness to Correspondents' Dinner recounts moments suspected gunman opened fire

<p>Erin Thielman, who witnessed the shooting at the White House Correspondents' Dinner, joined "The Situation Room with Wolf Blitzer and Pamela Brown" to describe being feet away when the suspected gunman fired his weapon, his subsequent apprehension, and how she's coping with the traumatic evening.</p>