Coalescence or ... no-alescence

Candidates in Texas are being left out to dry by members of their own parties — even as their counterparts in Michigan are gaining support from unlikely places.

Democratic U.S. Senate candidate James Talarico campaigns in Eagle Pass, Texas. (Photo by Brandon Bell/Getty Images)

The Texas race for U.S. Senate, which is perhaps the most dramatic contest of the cycle, has gotten even more contentious. The two candidates have gone sharply negative against one another during the last week, as both nominees also face s…