How Massie’s Kentucky primary may test Trump’s hold on the Republican Party

'The great puzzle'

While Massie has long dominated elections in Kentucky's 4th district, polling this year shows a tighter race than expected.

A Quantus Insights survey conducted from April 6 to 7 showed Massie leading Gallrein 46.8 percent to 37.7 percent.

Another survey conducted by Big Data Poll in early April had Massie ahead with ...