Missteps at Dallas hospital raises Ebola concerns

After a meeting with health and national security aides, President Obama told reporters the White House is developing protocols to screen airline passengers for Ebola. The president says the global crisis is a "a top national security priority."

Thomas Eric Duncan, the man at the center of America's Ebola scare,  is now in critical condition and receiving a new experimental drug.

Ebola drugs are in the works

It's the first time the drug has been used in the U.S. to treat Ebola. The Centers for Disease Control says Duncan isn't receiving ZMapp, the drug used to treat two Americans with Ebola because it's all gone.

Ed Lavandera is OutFront.