Republicans outraised Democrats over the summer in all three congressional races in South Texas that the national parties are contesting, according to new campaign finance reports.The three GOP nominees hauled in a combined $4.3 million over the past three months, while their Democratic opponents collected $2.4 million together. Two of the Democrats — incumbents Henry Cuellar and Vicente Gonzalez — still ended the period with more cash on hand than their challengers, though Gonzalez had only a slight edge. But the large GOP fundraising shows how intent Republicans are on taking over the predominantly Hispanic region after President Joe Biden ...