NEW YORK—Meghan McCain, whose outspoken conservative views have frequently led to verbal fireworks and compelling television on ABC’s “The View,” said Thursday that she is quitting the daytime talk show after four years. McCain, daughter of the late Sen. John McCain (R-Ariz.), announced on the air that she would leave after the show’s season ends in late July. “I will be here another month, so if you still want to fight a little more, we have four more weeks,” McCain said. The 36-year-old commentator is usually the only conservative voice among the cast of five women, and not afraid to mix it up when she disagrees with them. In the past two months, for example, she’s had contentious exchanges with lead host Whoopi Goldberg and frequent foil Joy Behar. The show, invented more than two decades ago by Barbara Walters, has done well in the ratings with a mix of …