BOSTON (Reuters) - Rock band Aerosmith took a detour around the world from Singapore to "warm the cockles of peoples' hearts" in Boston as one of more than a dozen acts gathering on Thursday night to raise money for victims of last month's marathon bombing. Aerosmith, which started in Boston in 1970 and has maintained strong ties to the city, will be joined at TD Garden by James Taylor, the New Kids on the Block and the Dropkick Murphys in what is expected to be a raucous yet emotional tribute to the city. ...