Complex sentence: Canova has asserted that he found his own name in about 70 emails in the WikiLeaks-DNC database, claiming that DNC staff appeared to be acting in a partisan way to promote Wasserman Schultz's own reelection effort and that she may have violated campaign finance laws.
Split into simpler sentences: Canova has asserted that he found his own name in about 70 emails in the WikiLeaks-DNC database. He claimed that DNC staff appeared to be acting in a partisan way to promote Wasserman Schultz's own reelection effort and that she may have violated campaign finance laws.