The House easily voted on Tuesday to block President Trump’s declaration of a national emergency at the Mexican border, seeking to stop the diversion of funds to his wall.
In a blow to the campaign, the consultants, who produced some of the most memorable ads in 2016, said that they had strategic differences with Mr. Sanders and his wife.
There is no soft entry for presidential candidates these days, as Ms. Harris learned when she softened earlier comments on some issues, or sidestepped questions on others.
More than 25 former Republican lawmakers and nearly 60 former top national security officials are imploring Republicans to reject President Trump’s emergency declaration.
The president projected optimism ahead of his second meeting with Kim Jong-un, but leaves as Congress prepares to take on his border wall and question his former fixer.