Cantor Loss Unlikely to Advance Hensarling, PATH Act Opportunity? House Republican Majority Leader Eric Cantor’s defeat this week by his GOP primary Tea Party challenger Dave Brat is already shaking up the House leadership with implications for key lawmakers affecting the GSE reform debate.Cantor, R-VA, will close out his term at the end of this year but has announced he will give up his post as House majority leader effective July 31. Republican leadership could hold elections to replace Cantor as early as next week. Cantor has endorsed Majority Whip Kevin McCarthy, R-CA, to succeed him as majority leader.