> For all you know this bombing was because they don't believe women should run in marathons. Or maybe their entire family was killed as collateral damage in a

> For all you know this bombing was because they don't believe women should run in marathons. Or maybe their entire family was killed as collateral damage in an american drone strike in Yemen. Or they though the IRS is taxing them too much and wanted to get back at the country. Or they are just fucking crazy and didn't even have a reason. Stop making assumptions with no information whatsoever.