(Reuters) -More than 100 U.S. companies including Apple Inc, Amazon.com Inc, Ford Motor Co , and Starbucks Corp have declared their opposition to voting curbs that a number of states are considering implementing. Activist groups say the restrictions - outlined in voting rights bills already passed in Georgia and being weighed in, among others, Texas and Arizona - are specifically targeting Black people and other racial minorities. "We all should feel a responsibility to defend the right to vote and oppose any discriminatory legislation or measures that restrict or prevent any eligible voter from...