NEW : Sens . Lindsey Graham and John McCain say Boston bombing prove need for immigration reform . And `` spending billions more '' on border controls , like fences , are not the `` best use of taxpayer dollars . '' Sen. Lindsey Graham says Boston bombings raise new immigration reform concerns . Sen. Lindsey Graham says senators should n't jump to conclusions . Bipartisan immigration bill aims to tighten border security , create path to citizenship .
NEW : Sens . Lindsey Graham and John McCain say Boston bombing prove need for immigration reform . Sen. Lindsey Graham says Boston bombings raise new immigration reform concerns . Sen. Lindsey Graham says senators should n't jump to conclusions . Bipartisan immigration bill aims to tighten border security , create path to citizenship .