An avowed white supremacist was sentenced on Friday to 19-1/2 years in prison after pleading guilty months ago to a federal hate-crimes case stemming from a botched plot to bomb a historic Colorado synagogue in 2019. Richard Holzer, 28, appeared in a federal courtroom in Denver for a sentencing that capped an undercover FBI investigation of a plan to blow up Temple Emanuel in Pueblo, Colorado, the second-oldest synagogue in the state. Although the plot was thwarted, U.S. District Judge Raymond Moore said Holzer had sought “to terrorize the Jewish community” of Pueblo, a city of 112,000 residents about 100...