NADIA BOROWSKI SCOTT / Union-Tribune Cecil Lytle has set up an office at Preuss to answer questions from parents and provide support to the charter school's staff members.

LA JOLLA – An investigation into possible academic impropriety at the prestigious Preuss School at the University of California San Diego focuses on about 100 grades, including some that were reportedly changed from F's into passing marks, a school official said yesterday. The new details were provided by Cecil Lytle, chairman of the Preuss board of directors and a founder of the university-affiliated public charter school, which is overseen by the San Diego Unified School District.

SAN DIEGO – A judge yesterday refused to give the U.S. government more time to stop discharging toxic sewage off the South Bay coastline. During a hearing in San Diego, U.S. District Judge Barry Ted Moskowitz left in place a September 2008 deadline for the International Boundary and Water Commission to fix the pollution problem created by its wastewater treatment plant in San Ysidro.

With his new book just off the press, former President Clinton is making good on a promise he made to San Diegan Lynn Schenk in March. He's appearing at a presidential election fundraiser here Monday evening for his wife, Hillary.

To this day, the men are thanked for their bravery, their commitment, their service. It has been 62 years, but it might as well be yesterday. A grateful group of people of Czechoslovakian heritage gathered in Balboa Park yesterday at the House of Czech and Slovak Republics to host the men who liberated their nation in the waning days of World War II.

DOWNTOWN SAN DIEGO – A New York financier who admitted a role in the Randy “Duke” Cunningham scandal has been ordered into court Monday to explain why he shouldn't be thrown in jail for vacationing in Greece while out on bond.

Fewer than 30 percent of San Diego County children who qualify for a subsidized school breakfast participate in the program, a number well below state and national averages, a report has found.