Mexico and the United States are working toward a broad package deal that would help revive the Colorado River Delta.  Laurel Morales reports for the Fronteras Changing America Desk.

Wisconsin Gov. Scott Walker is fighting back opponents who want him out of office. If organizers gather more than 500,000 signatures in 60 days, a new election will be held in 2012. Host Michel Martin speaks with Gov. Walker, who defends his record and criticizes the recall effort that began Tuesday.

The Sinaloa drug cartel sought military weapons to attack the US embassy in Mexico City and then blame it on a rival cartel. As Michel Marizco reports from the Fronteras Changing America Desk, the planned attacks were intended to send a message to the United States not to interfere in Mexico.

A new bipartisan study examines the latest Census data and finds that immigrants to the U.S., especially young immigrants, are assimilating well. Ruxandra Guidi reports from the Fronteras Changing America Desk.

Everything's big in Texas. Even health insurance mandates, it seems.

The Center for Public Integrity is out with a story about a Texas law that made it mandatory for health insurers to reimburse patients up to $200 for CT scans and ultrasound tests to look for heart trouble.

(New top to this post added at 2:20 p.m. ET)

The U.S. Secret Service just confirmed that Oscar Ramiro Ortega-Hernandez has been arrested in connection with the gunshots fired Friday night in Washington — one of which apparently hit a window at the White House.

In a statement sent to reporters, the agency says:

Though the U.S. economy faces lots of problems, as we said yesterday, there are some encouraging signs out there too.

"Syrian activists say that army defectors have attacked an intelligence complex in the Damascus suburbs in what appears to be one of their boldest assaults so far against government security forces," al-Jazeera reports.

There was a scant 0.1 percent dip in the consumer price index in October from September, the Bureau of Labor Statistics just reported.

The major reason for the dip: "The energy index turned down in October after increasing in each of the three previous months as the gasoline and household energy indexes declined after a series of seasonally adjusted increases."

Good morning.

Our early headlines:

-- 'Murmurings' Of A Deal On Taxes And Deficit Reduction.

-- Penn State Scandal: Key Witness Says He Did Talk With University Police.