Two recent polls indicating surprising Democratic strength in Senate races across the Southwest underscore how the parties’ shifting demographic and geographic bases of support are widening the electoral battlefield.
The surveys, which point to strong Democratic opportunities to capture Republican-held Senate seats in Arizona and Texas, might prove to be desert mirages by Election Day. But even the prospect of close Senate races in those ordinarily Republican-leaning states, shows how old political alignments are cracking as the parties build new coalitions of support. CONT.
Ronald Brownstein, CNN