Alan Gross praised President Obama and others who helped secure his release from Cuba.
Blog Briefing Room
Raúl Castro expressed support for the thaw in relations.
The restrictions include changes to travel policy and diplomatic relations.
Kerry would be the first secretary of State to visit Cuba in 60 years.
Jesse Byrnes 12/17/14 12:21 PM EST
"This is a Hanukkah miracle," said Linda Gross.
The legislators praised President Obama's efforts.
The facility has come under fierce criticism from advocates.
The likely 2016 GOP candidate spoke out against Obama's move on Cuba.
The swap "sets an extremely dangerous precedent," Sen. Robert Menendez said.
Forty-seven percent have a favorable view, up 14 points since October.