In covering the hearing of the nine bank chief executives on Capitol Hill, it didn’t take long for me to see that Wells Fargo CEO John Stumpf was having a hard time of it, valiant effort though he did make to defend his bank’s lending practices. Because to look inside Wells Fargo, you will find the worst of the mortgage lenders housed in this bank, Wachovia, which Wells Fargo bought last fall for $15.4 bn, and housed within Wachovia is Golden West Financial, which Wachovia bought for a stupefying $25 bn, Golden West, the purveyor of some of the worst...