thank you, peggy. bob schieffer talked with gop officials. bob explains why they are going through the five stages of that is ahead on "cbs this morning." >>> a shorthanded supreme court this morning hears arguments in a major abortion case. senate republican leaders yesterday repeated their view that the next president should nominate a replacement for -- should not nominate a replacement for antonin scalia. they met with president obama in the oval office. the meeting produced no breakthrough. they say the president is narrowing his list of possible >>> apple is escalating its legal battle over the fbi over unlocking a encrypted iphone. it's acting out of, quote, an abundance of caution. director james comey acknowledged that investigators accidentally made it harder to access data on the gunman's iphone. his admission came yesterday during capitol hill testimony.