At Kevin Warsh's Fed confirmation hearing today, Republicans will cast him as a change agent ready to shake up a tradition-bound institution. Driving the news: In remarks introducing Warsh obtained by Axios , Sen. Dave McCormick (R-Pa.) will say the onetime Fed governor "brings a reformer's heart" and "will shake up a stagnant institution at a time when change is sorely needed." It echoes some of Warsh's own criticisms of the Fed, saying that the central bank "must not be ruled by pointy-headed economists poring over outdated models and reams of market data." Democrats on the Senate Banking Committee plan to focus on potential conflicts of interest stemming from Warsh's expansive portfolio, which includes some investments that could be affected by Fed policy. They also intend to question his independence from President Trump. State of play: Warsh's nomination is broadly supported by Republicans and opposed by Democrats — putting his confirmation on track to be a more partisan affair than in the past.…