Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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President Obama delivered a soaring oratory in Boston Thursday, with the first lady looking on from the front row.
"Like you, Michelle and I have walked these streets. Like you, we know these neighborhoods, and like you, in this moment of grief, we join you in saying, 'Boston, you're my home,'" said Obama.
Attempting to calm nerves, Obama's speech was part eulogy, part sermon, part rallying cry.
"If they sought to intimidate us, to terrorize us, to shake us from those values that [Massachusetts Governor Deval Patrick] described, the values that make us who we are as Americans, well it should be pretty clear by now that they picked the wrong city to do it. Not here in Boston!" said Obama.
They thought they would be taping sprained ankles, and treating runners with heat exhaustion. Instead, they ended up doing triage in what felt like a war zone.
Dr. Pierre Rouziar was in a medical tent designated to do triage for distressed runners of the marathon.
Immediately after the blast, Rouziar and a colleague had to decide where they would be most valuable. He sent a text to his wife and kids before heading to help the injured: "There's been a bomb at the finish line, I'm going down. Pray. Pray for everyone."
Authorities are releasing more information on the blast in Texas, where a chemical plant caught fire and turned into a giant bomb. The blast and ball of fire were so strong that it shook the ground with the strength of a small earthquake, and blew out doors and windows several miles away. The scope of the damage is hard to get your head around.
Tom Foreman is in the virtual studio with a look at how widespread it is.
President Obama said for millions of us, what happened on Monday in Boston is "personal." It certainly was for President and CEO of the Boston Red Sox, Larry Lucchino. Lucchino attended the interfaith service where the president spoke.
"He was pitch perfect," Lucchino said of Obama. "He inspired everyone, I think, to behave as well as we can in the days going forward, with as much inspiration as possible from the good works done by the people in Boston."
The Red Sox will play their first home game since the attacks Friday, and Lucchino said they are taking extra precautions.
"Baseball can play a role, as the Bruins and hockey did last night, in helping the community heal, helping it come together," said Lucchino.
A bipartisan group of senators, the so-called "Gang of Eight," unveiled a new immigration bill this week, formally filing legislation calling for border security as the cornerstone of immigration reform.
But many are skeptical the bill will secure the border in any substantive way.
Most Americans will support a balanced approach to legal immigration, said Sen. Chuck Schumer, D-New York, "but only if they believe we'll secure the border and not have a third wave of illegal immigration. So, I'm willing to do that, and I think most of my colleagues on the Democratic side are willing to do that."
People making their way across the border recently in the hopes of benefiting from the immigration reform bill will be disappointed.
"Anyone who came after December 31, 2011 will not be eligible for this legalized status and eventual path to citizenship," said Sen. John McCain, R-Arizona.
Asked if he believes he can deliver the 60 votes needed to pass the bill, McCain replied, "Yes, I believe we can."