PALM BEACH — First lady Michelle Obama finished a daylong sweep through Florida on Thursday asking a crowd of supporters at an oceanfront estate here to support her husband - knock on doors, register others to vote and "take your neighbors and shake them up a bit." The enthusiastic crowd of about 140 gave the first lady several rounds of applause and shouts of "Yes!" during her 25-minute speech. The most enthusiastic came after she recalled her husband's first official act in office - signing the Lilly Ledbetter Fair Pay Act, which amended the statute of limitations to bring an...