WATERGATE: Four Walls Close In on Nixon

Whatever psychic relief and favor able publicity are generated by the President's foreign travels, they cannot stop or even slow the machinery that threat ens the Nixon presidency. Last week, as Nixon prepared to go abroad, Capitol Hill and Washington courtrooms produced only bad news for him.

The House Judiciary Committee be gan to climb out of its rut and seemed ready to quicken the march toward impeachment. Charles Colson, a former member of Nixon's innermost circle, confessed his criminality and professed a desire to tell all that he knows about Watergate....