By CNN's Tracey Webb

Get your daily scoop of what State of the Union is watching today, October 1, 2014

1. Ebola.  A man being treated at a Dallas hospital is the first person diagnosed with Ebola in the United States.  The man, identified as Thomas Eric Duncan, traveled from Liberia on September 19 and arrived in Dallas one day later. He went to the hospital on September 26 feeling sick, but was sent home.  He returned to the hospital two days later and was placed in isolation.   Since his arrival in Dallas, Duncan has had contact with five children.  City school officials say none of the children are showing Ebola symptoms, but are being kept at home for monitoring.  "I know parents are extremely concerned about that development, but let me assure you, these children have been identified and are being monitored and the disease cannot be transmitted before having any symptoms," said Texas Gov. Rick Perry.

2. U.S. Secret Service. The embattled agency's director has resigned.  Julia Pierson, faced calls from lawmakers in both parties to resign after being grilled at a Wednesday hearing about recent security lapses.  It was revealed that a security contractor with a gun was allowed to ride in an elevator with President Obama during his visit to Atlanta last month.  Three days before the Atlanta security breach, a man jumped a White House fence and made it inside the executive mansion before being stopped.  White House Press Secretary Josh Earnest said Pierson offered her resignation because she believed it was in the best interest of the Secret Service.  Pierson told Bloomberg news that it was "painful" to resign from the agency where she worked for 31 years, "we were at the point where it was going to be hard for the department and president to have confidence in the Secret Service leadership if I didn’t step down."  Pierson became the first woman to head the Secret Service with Obama appointed her 18 months ago.  Joseph Clancy, a former special agent in charge of the Service's presidential protective division, has been appointed as interim acting director.

3. The war against ISIS.  The U.S. and its allies are hitting more ISIS positions in Iraq and Syria.  The targets include the terror group's command and control centers, heavy weaponry and oil refineries that are a major sources of ISIS funding.  Despite the airstrikes, ISIS is threatening to take control of more territory.  Jihadist fighters are closing in on the town of Kobani on the Syria-Turkey border.