BERLIN — The seemingly endless saga of the house in which Adolf Hitler was born has taken a new turn, with the owner challenging an Austrian law that allows the government to seize ownership and, possibly, demolish the property. The house in the town of Braunau, just across the Inn River from Bavaria, has been in limbo for decades. The Austrian government took over the main lease in 1972 in an effort to ensure that the property would not fall into the hands of someone seeking to glorify its link to a dark history. Hitler was born in the building...