Democrats seek to counter RNC’s ‘Trump-a-palooza’ convention in Dallas

Democrats are seeking to seize on the Republican National Committee’s first-of-its-kind midterm convention with plans for counterprogramming around the two-day Dallas bash as the party eyes a Senate flip in the red state.  Republicans are hopeful the so-called “Trump-a-palooza” next week excites the base about turning out amid a bleak midterm outlook for the GOP and concerns about low attendance, timing and…