Question: The Poet Laureate of the United Kingdom from 1968 to 1972 edited what Louis MacNeice poem?

Context paragraphs:
Rugby Football Excursion: Rugby Football Excursion is a 44-line poem by Louis MacNeice.  It was written in 1938 and first published in book form in MacNeice's poetry collection The Earth Compels (1938).  The poem recounts an excursion taken by MacNeice from London to Dublin, in order to watch a rugby football match at Lansdowne Road stadium.  MacNeice does not specify the occasion, but internal evidence from the poem establishes the match as a rugby football international between Ireland and England on 12 February 1938; England won the match by 36 points to 14.

Carrickfergus (poem): Carrickfergus is a 44-line poem by Louis MacNeice.  It was written in 1937 and first published in book form in MacNeice's poetry collection "The Earth Compels" (1938).  The poem reflects on MacNeice's childhood in Carrickfergus, a large town in County Antrim, Northern Ireland.  Although the title of the poem is "Carrickfergus", the text of the poem refers to "Carrick", as the town is known locally and colloquially.

Epilogue For W. H. Auden: "Epilogue For W. H. Auden" is a 76-line poem by Louis MacNeice.  It was written in late 1936 and was first published in book form in "Letters from Iceland", a travel book in prose and verse by W. H. Auden and Louis MacNeice (1937).  MacNeice subsequently included it as the last poem in his poetry collection "The Earth Compels" (1938).  "Epilogue For W. H. Auden" reviews the Iceland trip MacNeice and Auden had taken together in the summer of 1936; the poem mentions events that had occurred while MacNeice and Auden were in Iceland, such as the fall of Seville (marking the start of the Spanish Civil War) and the Olympic Games in Berlin.

Prayer Before Birth: Prayer before birth is a poem written by the Irish poet Louis MacNeice (1907 - 1963) at the height of the Second World War.  In the poem, Louis MacNeice expresses his fear at what the world's tyranny can do to the innocence of a child and blames the human race "for the sins that in me the world shall commit".  The poem also contains many religious themes and overtones through the use of double-imagery; the child could be seen as a metaphor for Christ, making reference to certain themes and events said to have occurred during his ministry on earth.

List of U.S. states' Poets Laureate: Many of the states in the United States have established the post of poet laureate to which a prominent poet residing in the respective state is appointed.  The responsibilities of the state poets laureate are similar to those of the Poet Laureate of the United Kingdom and the equivalent Poet Laureate Consultant in Poetry to the Library of Congress in the United States, to make public appearances at poetry readings or literary events, and to promote awareness of poetry within their geographical region.

John MacNeice: John Frederick MacNeice (1866–1942), was born at Omey, Co.  Galway, to a Protestant family which claimed descent from the kin of the early Irish saint MacNissi.  Opting for the Church of Ireland ministry he served notably as rector of Carrickfergus, Co.  Antrim and afterwards as bishop of Cashel, Emly, Waterford and Lismore (1931–1934) and until his death as bishop of Down, Connor and Dromore (1934–1942).  MacNeice is well known for his symbolic opposition to the partition of Ireland (accepted as a political reality): hence his refusal to allow the Union Flag to be laid on Carson's grave at his funeral in St Anne’s Cathedral, Belfast in 1935.  MacNeice was twice married.  One of his sons by his first marriage was the poet, Louis MacNeice.

June Thunder: June Thunder is a 28-line poem by Louis MacNeice.  It was first published in book form in MacNeice's poetry collection The Earth Compels (1938).  The poem begins with memories of idyllic summer days in the countryside - "the unenduring / Joys of a season" - before returning to the present and "impending thunder".  "June Thunder" is written in a loose form of the sapphic stanza, with three lines set in falling rhythm followed by a shorter fourth line.  The poem was anthologised in "A New Anthology of Modern Verse 1920-1940" (1941), edited by Cecil Day-Lewis and L.A.G. Strong, and "Penguin New Writing" No. 2 (January 1941).

Cecil Day-Lewis: Cecil Day-Lewis (or Day Lewis) (27 April 1904 – 22 May 1972), often writing as C. Day-Lewis, was an Anglo-Irish poet and the Poet Laureate of the United Kingdom from 1968 until his death in 1972.  He also wrote mystery stories under the pseudonym of Nicholas Blake.  He was the father of actor Daniel Day-Lewis and documentary filmmaker and television chef Tamasin Day-Lewis.

The Sunlight on the Garden: The Sunlight on the Garden is a 24-line poem by Louis MacNeice.  It was written in late 1936 and was entitled "Song" at its first appearance in print, in The Listener magazine, January 1937.  It was first published in book form as the third poem in MacNeice's poetry collection The Earth Compels (1938).  The poem explores themes of time and loss, along with anxiety about the darkening political situation in Europe following the outbreak of the Spanish Civil War.  It is one of the best known and most anthologized of MacNeice's short poems.  George Macbeth describes it as "one of MacNeice's saddest and most beautiful lyrics".

United States Poet Laureate: The Poet Laureate Consultant in Poetry to the Library of Congress—commonly referred to as the United States Poet Laureate—serves as the official poet of the United States.  During their term, the Poet Laureate seeks to raise the national consciousness to a greater appreciation of the reading and writing of poetry.  The position was modeled on the Poet Laureate of the United Kingdom.  Begun in 1937, and formerly known as the Consultant in Poetry to the Library of Congress, the present title was devised and authorized by an Act of Congress in 1985.  The Poet Laureate's office is administered by the Center for the Book.

Supporting paragraphs: June Thunder Cecil Day-Lewis
Answer: June Thunder