The 4th Amendment is officially dead under the Obama administration. They pushed for the change in the bill.
From Cnet:
A Senate proposal touted as protecting Americans’ e-mail privacy has been quietly rewritten, giving government agencies more surveillance power than they possess under current law.
CNET has learned that Patrick Leahy, the influential Democratic chairman of the Senate Judiciary committee, has dramatically reshaped his legislation in response to law enforcement concerns. A vote on his bill, which now authorizes warrantless access to Americans’ e-mail, isscheduled for next week.
Leahy’s rewritten bill would allow more than 22 agencies — including the Securities and Exchange Commission and the Federal Communications Commission — to access Americans’ e-mail, Google Docs files, Facebook wall posts, and Twitter direct messages without a search warrant. It also would give the FBI and Homeland Security more authority, in some circumstances, to gain full access to Internet accounts without notifying either the owner or a judge.
It’s an abrupt departure from Leahy’s earlier approach, which required police to obtain a search warrant backed by probable cause before they could read the contents of e-mail or other communications. The Vermont Democrat boastedlast year that his bill “provides enhanced privacy protections for American consumers by… requiring that the government obtain a search warrant.”

[...] administration is spying on us via social media, reading our e-mails and text messages without warrants on top of labeling those not in support of the regime as [...]