The CNN Washington Bureau’s morning speed read of the top stories making news from around the country and the world. Click the headlines for more.

WASHINGTON/POLITICAL:

CNN: Romney, Santorum in final push to Tuesday primaries
Less than 48 hours before primaries in Arizona and Michigan, Mitt Romney received a key endorsement from Arizona's governor Sunday while his current main challenger, Rick Santorum, appeared to downplay his own chances of winning in the Grand Canyon State.

CNN: Santorum to receive Secret Service protection
Republican presidential candidate Rick Santorum will receive Secret Service protection this week, a source familiar with the situation told CNN.

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