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Ahead of Pennsylvania's primary Tuesday, the likely Republican presidential nominee has been campaigning in the state with a man at the center of running-mate speculation — Florida Sen. Marco Rubio. But Mitt Romney hasn't said much about whom he might name as his vice presidential choice.

Romney has said he appointed a longtime aide to handle the process and that he hasn't yet discussed making a list of potential candidates. But just about everyone else in politics is discussing it. And the men at the top of that list are asked about it a lot.

We don't usually point out opinion pieces on this blog. But Mona Eltahawy, an Egyptian-born and U.S.-based journalist, is making a statement worth noting. She wrote a cover essay titled "Why Do They Hate Us?" for this month's Foreign Policy.

The retrial of baseball great Roger Clemens began in earnest Monday after a week of jury selection. Clemens is charged with lying in 2008 to a congressional committee when he denied ever using steroids or human growth hormone.

He will be judged by a jury of 10 women and 6 men — 12 jurors and 4 alternates — who will decide whether Clemens lied under oath about using the drugs when he testified before a congressional committee investigating the use of performance-enhancing drugs in baseball.

The headline of this feature story in the Green Bay Press-Gazette is "Saxophonist transcribes jazz to printed notes." Especially if you're not familiar with the mechanics of the craft, it is a rather amazing thing:

"There will be one measure with 65 notes in it," he said. "First of all, I have to write out every note and then divide each beat into however many notes until it hits on the next beat.

The Oscar-and Grammy Award-winning artist Jennifer Hudson took the stand today during the trial of the man accused of killing her mother, brother and seven-year-old nephew.

Reporting from Chicago, NPR's Cheryl Corley filed this report for our Newscast unit:

"Hudson began crying when a prosecutor asked her about the last time she saw her family. She answered it was the Sunday before their slaying in October of 2008. The man accused of killing them, William Balfour, was Hudson's brother-in-law at the time.

With US Airways breathing down its neck, making nice with its unions as well as its creditors, American Airlines came to New York City on Monday to ask a federal bankruptcy judge for relief. Mostly, American wants relief from its unions — 13,000 jobs would be eliminated under its reorganization proposal. American has been hemorrhaging money for years and wants to lower its costs to compete.

Like a mirror that reflects one's ideology back at the viewer, and no more so than during a general-election year, the political players saw what they wanted, and what they thought was most politically useful to their side, in the reports Monday by the Social Security and Medicare trustees on the long-term prospects for those two entitlement programs.