House Democrats on Wednesday were making plans to undermine President Trump at his Jan. 29 State of the Union address. Just past 8:30 a.m., the leadership’s communications arm sent an email to lawmakers urging them to bring furloughed federal workers or other “message-related” guests to the nationally televised event. Unknown to most of her caucus, however, House Speaker Nancy Pelosi (D-Calif.) had decided on a more confrontational approach. Addressing a closed-door meeting of House Democrats, the speaker read a letter she had just sent to Trump asking him to either postpone the speech until the federal government reopens or deliver...