Washington (CNN) Here are the stories our panel of top political reporters have on their radar in this week's "Inside Politics" forecast.

1. Another Kennedy in the Senate?

Congressman Joseph P. Kennedy III is ready to go where his grandfather and two great uncles have gone before: The US Senate.

The only problem -- incumbent Massachusetts Democratic Sen. Edward Markey is running for reelection. And New York Times national political reporter Jonathan Martin reports that the 73-year-old Markey told him he won't step aside even if the 38-year-old Kennedy jumps in.

"That would create a titanic match between two well-known figures in that state," Martin said. "And increasingly, people think that as long as Kennedy keeps this door open, he probably is going to have to run, because pulling back will show weakness for a future race. And if you don't run now, the lines aren't going to be any shorter down the road in a state full of liberals."

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