If Bridgewater slides to 16, Jerry & Co., should definitely consider selecting him.
The reason Bridgewater or even Manziel gets push down into mid-to-late 1st round, is that the quality of talent in the early 1st round is vastly superior than previous drafts.
Jacksonville, Cleveland, Houston, Minnesota, & Oakland value let's say a combination Kahlil Mack, Jake Mathews, or J. Clowney with a Derek Carr, Garoppolo, A.J. McCarron, or Mettenberger over a combination of Bridewater/Manziel and some lesser talented early 2nd round selection.
Romo is an aging QB with health concerns.
If the selection is either between Jernigan, Ealy, Ford or Bridgewater and Manziel, take the QB.
To be in desperation and reach in selecting a QB (see Q. Carter in 01, and the revolving door of QB's from Tony Banks to Drew Bledsoe), is not a good position.
Rather than being reactionary, the front office should be proactive and anticipate the transition.