The White House can't get its broad immigration proposal moving, so officials are pursuing a narrow deal that would please the business community but might go against the president's campaign promise to reduce overall immigration. In recent months, the administration has been in talks with senators about legislation that would create new categories of temporary worker visas or lengthen the allotted stays for those workers, among other possible changes, according to four people familiar with the discussions. A White House official confirmed the ongoing negotiations on the guest worker proposal and said the effort is an attempt to generate action...