Democrats dominate Senate fundraising, GOP holds own in House: 5 takeaways from new campaign filings

Senate Democratic candidates are fiercely outraising their GOP counterparts in a handful of must-win races as the party eyes flipping the upper chamber this fall, but House Republican contenders are still holding their own as they defend a narrow majority in the lower chamber.

Candidates, PACs and party committees filed their federal finance reports on Wednesday for the second quarter of this year, which...