ABC News' Huma Khan reports: Meghan McCain, the daughter of former GOP presidential candidate Sen. John McCain, R-Ariz., and a self-described “progressive Republican,” today assailed the tea party movement. Sitting in as co-host on “The View” today, McCain said she has ideological differences with the movement. She specifically took aim at remarks by former Congressman Tom Tancredo, who suggested that people who voted for President Obama could not pass a basic civics literacy test. “People who would not even spell the word vote or say it in English put a committed socialist ideologue in the White House... named Barack Hussein...