Secret Service investigating how intruder slipped into national security adviser's home

The Secret Service has launched an investigation into how a man was able to make his way into the Washington, D.C., home of President Biden's national security adviser, Jake Sullivan, without the agents on guard noticing, three government officials told The Washington Post. The incident took place one night in late April, at about 3 a.m. After realizing the man was in his home, Sullivan approached him and told him to leave, two of the officials said. Sullivan has a round-the-clock Secret Service...