Flip-flopping politicians beware: C-SPAN has made available online its entire programming archive back to 1987, some 160,000 hours, including every program.

Now, everyone can research their favorite politicians and see if they changed their tune on major issues through the years in accordance with political winds.

The database is available now. A formal announcement is due Wednesday (March 17).

The archives continue to record all three C-SPAN networks nonstop, indexing them and placing them in the database. Programs are indexed by subject, speaker names, titles, affiliations, sponsors, committees, categories, formats, policy groups, keywords and location. The congressional sessions and committee hearings are indexed by person with full-text....