By David Morgan WASHINGTON (Reuters) – Federal appellate Judge Ketanji Brown Jackson, President Joe Biden’s pick to become the first Black woman to serve on the U.S. Supreme Court, visited the Senate on Wednesday as lawmakers from both parties mulled her candidacy for the lifetime post. Jackson, 51, chosen to succeed retiring liberal Justice Stephen Breyer, began the formal task of seeking Senate confirmation during two high-profile meetings with the chamber’s two top lawmakers: Democrat Chuck Schumer and Republican Mitch McConnell. Schumer met with Jackson for about 40 minutes in an ornate Se…