What to look for in Kevin Warsh's big day on Capitol Hill

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…