Royal Court, London Three audacious monologues by McDowall, dazzlingly performed by Kate O'Flynn, open vivid windows on to day-to-day existence Alistair McDowall's plays are portals to the extraordinary. Following genre-tweaking excursions through fantasy (Pomona), sci-fi (X) and time-travel (The Glow), his trilogy of solo plays may be even more audacious " unfolding the experience of ordinary life from the inside. A…