Main stream media(White House Cheer Leaders) form public opinion:

Study: Media Coverage of Shutdown Overwhelmingly Biased Against GOP

"A conservative media watchdog group is complaining of the heavily skewed coverage of the shutdown debacle that painted the GOP as its culprits, reports The Washington Examiner.
The Media Research Center claims that in the two week long shutdown, the "124 full stories and brief items about the shutdown" the MRC reviewed blamed Republicans in 41 cases, both sides in 17, and Democrats in none. While not providing any headlines to illustrate how media rhetoric was biased in the above finding, the MRC does quote mainstream network pundits who called out the GOP for shutdown blame and cites media references to the plight of furloughed workers"