Morse trails both candidates, sometimes by double digits.

Last week, U.S.

Senate candidate Congressman Andy Barr made a rare endorsement against a fellow Kentucky Republican with whom he serves in Washington.

It's one that aligns with President Donald Trump in Kentucky's fourth congressional district race.

Trump is supporting Navy Seal Ed Gallrein, who is going up against incumbent incumbent Congressman Thomas Massie in the GOP primary.

Massie is an outspoken critic of the Trump administration.

Speaking on CNN's Inside Politics Sunday, Congressman Massie said Trump's endorsement is about more than just this race.

>> Well, look, I vote with the president 91% of the time.

The 9% of the time my party has taken up for, bankrupting this country or starting another war.

I don't vote with them and they want 100% compliance.

That's why they're trying to take me out.

It's really about keeping my colleagues in line.

They're under no illusion that I will snap back into line because they're spending millions of dollars against me.

It's going to be tough, but I'm going to win.

>> Congressman Massie also remains critical of how the Department of Justice has handled the Jeffrey Epstein case.

Today, lawmakers on the U.S.

House Oversight Committee tried to question Ghislaine Maxwell, Epsteins former girlfriend and confidante.

Instead, she invoked her Fifth Amendment rights to avoid answering questions.

Congressman James Comer of Kentucky's first district, who chairs that committee, said it was, quote, very disappointing