House Democrats’ campaign arm sued the Federal Election Commission (FEC) on Thursday to block Republicans from using a campaign finance strategy that Democratic committees employ. The Democratic Congressional Campaign Committee (DCCC) alleges in its lawsuit that Republican joint fundraising committees are exploiting a campaign finance loophole by running attack ads, which they are prohibited from doing, and simply categorizing them as fundraising ads, which are allowed, Axios reported. A joint fundraising committee formed by the DCCC and Democratic Michigan Senate nominee Elisa Slotkin, however, is running an attack ad against Republican Michigan Senate nominee Mike Rogers that seemingly uses the...