Top issues on the Political Roundtable tonight:

-- The ongoing controversy over the Tucson Unified School District's Mexican American Studies program reached a fever pitch earlier this week.

-- Efforts to oust state Rep. Daniel Patterson following the release of a shocking ethics report ended with his resignation Wednesday.

-- Republicans in the race to replace U.S. Rep. Gabrielle Giffords and represent Congressional District 8 are ramping up their efforts as campaign finance reports emerge.

Joining host Jim Nintzel on the Roundtable: Pima County Democratic Party Chairman Jeff Rogers, Republican strategist John Ellinwood and AZPM political correspondent Christopher Conover.