Treasury Secretary Timothy Geithner is coming under new pressure from conservative Republicans and liberal Democrats to resign. Reps. Peter DeFazio (D-Ore.) and Kevin Brady (R-Texas) this week joined a small group of lawmakers publicly calling for Geithner to step down. Former Republican Rep. Rob Simmons, who is challenging Sen. Chris Dodd (D) for Senate in Connecticut, has made Geithner’s resignation a campaign issue. Geithner was forced to defend himself Thursday at a public hearing on Capitol Hill during which he was pointedly asked by Brady to resign. DeFazio emphasized that there are growing concerns about Geithner among “populist” House Democrats,...