More than 33,000 people died from opioids, which include prescription painkillers and heroin, in 2015. The CDC calls it an overdose epidemic.
The signature comes nine months after voters in Britain decided to leave the European Union. The process could take up to two years.
'We look forward to showing the entire world what is on our yet-unreleased video tapes,' the Center for Medical Progress responded in a statement.
Paul Manafort, President Donald Trump's former campaign manager, operated a complex and opaque network of businesses on Cyprus, an island long known as a hub for moving money in and out of Russia, an NBC News investigation has found.
The FDA approved a new, injectable drug on Tuesday to treat serious cases of eczema.