single polls aren't persuasive. good for a headline, but not good enough to change a trend.
this one looks like an outlier in the series.
Trump - Cruz - Rubio - Carson - Kasich - Bush
Morning Consult NEW! 2/15 - 2/16 662 RV 41 12 14 11 3 7
NBC/WSJ NEW! 2/14 - 2/16 400 LV 26 28 17 10 11 4
Suffolk/USA Today NEW! 2/11 - 2/15 358 LV 35 20 17 4 7 6
Quinnipiac NEW! 2/10 - 2/15 602 LV 39 18 19 4 6 4
NBC/SurveyMonkey 2/8 - 2/14 3,411 RV 38 18 14 8 7 4
http://elections.huffingtonpost.com/pollster/2016-national-gop-primary