While Gingrich remains a caustic conservative, he seems to be edging toward a big-tent philosophy.
The smaller “Flood Wall Street” eschewed the big-tent approach and focused on radical politics and aggressive activism.
To compete with Netanyahu, Labor's calling for a "big-tent" party and is wooing former Kadima leader Tzipi Livni.
in reference to welcoming all sorts and not being ideologically narrow, American English, 1982 with reference to religion, by 1987 with reference to politics.
Welcoming all sorts; hospitable: NOW itself is a big-tent organization, abidingly tolerant of all attitudes (1990s+)