AP: About 100 people were arrested Monday outside the White House while protesting against mountaintop removal mining, temporarily trading their freedom for a chance to highlight what they consider an environmental calamity. The protesters, arrested after refusing orders from U.S. Park Police to leave the sidewalk on Pennsylvania Avenue in front of the White House, were taken to a waiting city bus. As police escorted them one-by-one, hundreds of their supporters screamed encouragement …