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If you missed some of Tuesday's action at the Republican National Convention, we were live blogging here and you can always read through it to see how the day and evening went.

But if you'd like to save some time, here are five things that struck us:

On Tuesday, NPR's Frank James hosted a live chat during the GOP convention. He was joined by Neal Carruth, NPR's election editor; Peter Overby, NPR's power, money and influence correspondent; Melody Crowder-Meyer, assistant professor of political science at Sewanee: The University of the South; and Bob Ingle, senior political columnist for Gannett New Jersey newspapers.

Read below to see how it unfolded.

Key speakers Tuesday include New Jersey Gov. Chris Christie and Ann Romney, the wife of the GOP presidential nominee.

Alexander Reber may not be the youngest delegate at the Republican convention — that honor goes to his fellow Virginia delegate, 17-year-old high school senior Evan Draim.

But Reber, 21, who is an alternate, is certainly doing his part to lower the average age in the Tampa Bay Times Forum, where the convention opened Tuesday.

Many travelers using United Airlines faced delays Tuesday, but they weren't connected to Hurricane Isaac. Instead, the airline's computer network crashed, leaving large parts of its system paralyzed Tuesday afternoon.

First noted around 2:15 p.m. EDT, the problems persisted until about 6:30 p.m. EDT, when the airline tweeted that it is "in the process of resuming operations and rebooking customers."

The mission of Circles Wyoming, part of a national anti-poverty movement, is "to build intentional, diverse and long-term relationships as people move from barely surviving to thriving."

Trained "intentional friends" are matched with someone who is looking to escape poverty, explains Director Tim Thorson. They do everything "from having coffee once a month to talk about financial goals to going to the gym together ... things that any friends would do."

Florida Sen. Marco Rubio says America will have a different view of Mitt Romney by the time he accepts the Republican nomination for president.

Rubio will introduce Romney on Thursday, the final night of the Republican National Convention. He may have provided a preview of his speech to a gathering of Florida delegates Tuesday.

One of the biggest debates in Washington, D.C., these days has nothing to do with taxes, health care or the economy. It's about baseball and whether the Washington Nationals should end the season of their young pitching star, Stephen Strasburg, just as the team may be headed for the playoffs.

Two years ago, Strasburg's promising career was threatened when he tore a ligament in his pitching arm. He needed surgery and couldn't pitch for a year.

Babies are lovely but altogether helpless creatures.

Wouldn't it be better if tiny humans were born able to walk, like horses, or generally were readier for the rigors of the world, like, say, chimps?

Among primates, human have the least developed brains at birth, at least when compared to adult human brains. If humans were born as far along on cognitive and neurological scales as rough and ready chimps are, though, human pregnancy would have to last at least twice as long. Eighteen months in the womb, anyone?

Ever wondered whether convention delegates hold political views that are more extreme than most members of their own parties? You could ask them.

Debbie Elliott has spent the day driving along the Mississippi coast as people prepare for Isaac. The storm has dumped heavy rain across the area. She speaks with Audie Cornish from Gulfport, Mississippi.